It seems GAIA had changed dosserver rules today, so we can go back to accounts.google.com.

chrome/common/net/gaia/oauth_request_signer_unittest.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/common/net/gaia/oauth_request_signer.h"
 
 #include "googleurl/src/gurl.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 // This value is used to seed the PRNG at the beginning of a sequence of
 // operations to produce a repeatable sequence.
 #define RANDOM_SEED (0x69E3C47D)
 
 TEST(OAuthRequestSignerTest, Encode) {
   ASSERT_EQ(OAuthRequestSigner::Encode("ABCDEFGHIJKLMNOPQRSTUVWXYZ"
                                        "abcdefghijklmnopqrstuvwxyz"
                                        "0123456789"
                                        "-._~"),
             "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
             "abcdefghijklmnopqrstuvwxyz"
             "0123456789"
             "-._~");
   ASSERT_EQ(OAuthRequestSigner::Encode(
-                "https://www.google.com/accounts/OAuthLogin"),
-            "https%3A%2F%2Fwww.google.com%2Faccounts%2FOAuthLogin");
+                "https://accounts.google.com/OAuthLogin"),
+            "https%3A%2F%2Faccounts.google.com%2FOAuthLogin");
   ASSERT_EQ(OAuthRequestSigner::Encode("%"), "%25");
   ASSERT_EQ(OAuthRequestSigner::Encode("%25"), "%2525");
   ASSERT_EQ(OAuthRequestSigner::Encode(
                 "Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed "
                 "do eiusmod tempor incididunt ut labore et dolore magna "
                 "aliqua. Ut enim ad minim veniam, quis nostrud exercitation "
                 "ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis "
                 "aute irure dolor in reprehenderit in voluptate velit esse "
                 "cillum dolore eu fugiat nulla pariatur. Excepteur sint "
                 "occaecat cupidatat non proident, sunt in culpa qui officia "
@@ skipping 31 matching lines @@
     std::string encoded = OAuthRequestSigner::Encode(text);
     std::string decoded;
     ASSERT_TRUE(OAuthRequestSigner::Decode(encoded, &decoded));
     ASSERT_EQ(decoded, text);
   }
 }
 
 TEST(OAuthRequestSignerTest, SignGet1) {
   GURL request_url("https://www.google.com/accounts/o8/GetOAuthToken");
   OAuthRequestSigner::Parameters parameters;
-  parameters["scope"] = "https://www.google.com/accounts/OAuthLogin";
+  parameters["scope"] = "https://accounts.google.com/OAuthLogin";
   parameters["oauth_nonce"] = "2oiE_aHdk5qRTz0L9C8Lq0g";
   parameters["xaouth_display_name"] = "Chromium";
   parameters["oauth_timestamp"] = "1308152953";
   std::string signed_text;
   ASSERT_TRUE(OAuthRequestSigner::SignURL(
                   request_url,
                   parameters,
                   OAuthRequestSigner::HMAC_SHA1_SIGNATURE,
                   OAuthRequestSigner::GET_METHOD,
                   "johndoe",  // oauth_consumer_key
                   "53cR3t",  // consumer secret
                   "4/VGY0MsQadcmO8VnCv9gnhoEooq1v",  // oauth_token
                   "c5e0531ff55dfbb4054e", // token secret
                   &signed_text));
   ASSERT_EQ("https://www.google.com/accounts/o8/GetOAuthToken"
             "?oauth_consumer_key=johndoe"
             "&oauth_nonce=2oiE_aHdk5qRTz0L9C8Lq0g"
-            "&oauth_signature=y9GCmlGSvNuTAotxsBMyxb6j%2BE8%3D"
+            "&oauth_signature=PFqDTaiyey1UObcvOyI4Ng2HXW0%3D"
             "&oauth_signature_method=HMAC-SHA1"
             "&oauth_timestamp=1308152953"
             "&oauth_token=4%2FVGY0MsQadcmO8VnCv9gnhoEooq1v"
             "&oauth_version=1.0"
-            "&scope=https%3A%2F%2Fwww.google.com%2Faccounts%2FOAuthLogin"
+            "&scope=https%3A%2F%2Faccounts.google.com%2FOAuthLogin"
             "&xaouth_display_name=Chromium",
             signed_text);
 }
 
 TEST(OAuthRequestSignerTest, SignGet2) {
-  GURL request_url("https://www.google.com/accounts/OAuthGetAccessToken");
+  GURL request_url("https://accounts.google.com/OAuthGetAccessToken");
   OAuthRequestSigner::Parameters parameters;
   parameters["oauth_timestamp"] = "1308147831";
   parameters["oauth_nonce"] = "4d4hZW9DygWQujP2tz06UN";
   std::string signed_text;
   ASSERT_TRUE(OAuthRequestSigner::SignURL(
                   request_url,
                   parameters,
                   OAuthRequestSigner::HMAC_SHA1_SIGNATURE,
                   OAuthRequestSigner::GET_METHOD,
                   "anonymous",  // oauth_consumer_key
                   "anonymous",  // consumer secret
                   "4/CcC-hgdj1TNnWaX8NTQ76YDXCBEK",  // oauth_token
                   "", // token secret
                   &signed_text));
   ASSERT_EQ(signed_text,
-            "https://www.google.com/accounts/OAuthGetAccessToken"
+            "https://accounts.google.com/OAuthGetAccessToken"
             "?oauth_consumer_key=anonymous"
             "&oauth_nonce=4d4hZW9DygWQujP2tz06UN"
-            "&oauth_signature=2KVN8YCOKgiNIA16EGTcfESvdvA%3D"
+            "&oauth_signature=YiJv%2BEOWsvCDCi13%2FhQBFrr0J7c%3D"
             "&oauth_signature_method=HMAC-SHA1"
             "&oauth_timestamp=1308147831"
             "&oauth_token=4%2FCcC-hgdj1TNnWaX8NTQ76YDXCBEK"
             "&oauth_version=1.0");
 }
 
 TEST(OAuthRequestSignerTest, ParseAndSignGet1) {
   GURL request_url("https://www.google.com/accounts/o8/GetOAuthToken"
-                   "?scope=https://www.google.com/accounts/OAuthLogin"
+                   "?scope=https://accounts.google.com/OAuthLogin"
                    "&oauth_nonce=2oiE_aHdk5qRTz0L9C8Lq0g"
                    "&xaouth_display_name=Chromium"
                    "&oauth_timestamp=1308152953");
   std::string signed_text;
   ASSERT_TRUE(OAuthRequestSigner::ParseAndSign(
                   request_url,
                   OAuthRequestSigner::HMAC_SHA1_SIGNATURE,
                   OAuthRequestSigner::GET_METHOD,
                   "anonymous",  // oauth_consumer_key
                   "anonymous",  // consumer secret
                   "4/CcC-hgdj1TNnWaX8NTQ76YDXCBEK",  // oauth_token
                   "", // token secret
                   &signed_text));
   ASSERT_EQ("https://www.google.com/accounts/o8/GetOAuthToken"
             "?oauth_consumer_key=anonymous"
             "&oauth_nonce=2oiE_aHdk5qRTz0L9C8Lq0g"
-            "&oauth_signature=S%2B6dcftDfbINlavHuma4NLJ98Ys%3D"
+            "&oauth_signature=PH7KP6cP%2BzZ1SJ6WGqBgXwQP9Mc%3D"
             "&oauth_signature_method=HMAC-SHA1"
             "&oauth_timestamp=1308152953"
             "&oauth_token=4%2FCcC-hgdj1TNnWaX8NTQ76YDXCBEK"
             "&oauth_version=1.0"
-            "&scope=https%3A%2F%2Fwww.google.com%2Faccounts%2FOAuthLogin"
+            "&scope=https%3A%2F%2Faccounts.google.com%2FOAuthLogin"
             "&xaouth_display_name=Chromium",
             signed_text);
 }
 
 TEST(OAuthRequestSignerTest, ParseAndSignGet2) {
-  GURL request_url("https://www.google.com/accounts/OAuthGetAccessToken"
+  GURL request_url("https://accounts.google.com/OAuthGetAccessToken"
                    "?oauth_timestamp=1308147831"
                    "&oauth_nonce=4d4hZW9DygWQujP2tz06UN");
   std::string signed_text;
   ASSERT_TRUE(OAuthRequestSigner::ParseAndSign(
                   request_url,
                   OAuthRequestSigner::HMAC_SHA1_SIGNATURE,
                   OAuthRequestSigner::GET_METHOD,
                   "anonymous",  // oauth_consumer_key
                   "anonymous",  // consumer secret
                   "4/CcC-hgdj1TNnWaX8NTQ76YDXCBEK",  // oauth_token
                   "", // token secret
                   &signed_text));
   ASSERT_EQ(signed_text,
-            "https://www.google.com/accounts/OAuthGetAccessToken"
+            "https://accounts.google.com/OAuthGetAccessToken"
             "?oauth_consumer_key=anonymous"
             "&oauth_nonce=4d4hZW9DygWQujP2tz06UN"
-            "&oauth_signature=2KVN8YCOKgiNIA16EGTcfESvdvA%3D"
+            "&oauth_signature=YiJv%2BEOWsvCDCi13%2FhQBFrr0J7c%3D"
             "&oauth_signature_method=HMAC-SHA1"
             "&oauth_timestamp=1308147831"
             "&oauth_token=4%2FCcC-hgdj1TNnWaX8NTQ76YDXCBEK"
             "&oauth_version=1.0");
 }
 
 TEST(OAuthRequestSignerTest, SignPost1) {
   GURL request_url("https://www.google.com/accounts/o8/GetOAuthToken");
   OAuthRequestSigner::Parameters parameters;
-  parameters["scope"] = "https://www.google.com/accounts/OAuthLogin";
+  parameters["scope"] = "https://accounts.google.com/OAuthLogin";
   parameters["oauth_nonce"] = "2oiE_aHdk5qRTz0L9C8Lq0g";
   parameters["xaouth_display_name"] = "Chromium";
   parameters["oauth_timestamp"] = "1308152953";
   std::string signed_text;
   ASSERT_TRUE(OAuthRequestSigner::SignURL(
                   request_url,
                   parameters,
                   OAuthRequestSigner::HMAC_SHA1_SIGNATURE,
                   OAuthRequestSigner::POST_METHOD,
                   "anonymous",  // oauth_consumer_key
                   "anonymous",  // consumer secret
                   "4/X8x0r7bHif_VNCLjUMutxGkzo13d",  // oauth_token
                   "b7120598d47594bd3522", // token secret
                   &signed_text));
   ASSERT_EQ("oauth_consumer_key=anonymous"
             "&oauth_nonce=2oiE_aHdk5qRTz0L9C8Lq0g"
-            "&oauth_signature=F%2BINyO4xgon5wUxcdcxWC11Ep7Y%3D"
+            "&oauth_signature=vVlfv6dnV2%2Fx7TozS0Gf83zS2%2BQ%3D"
             "&oauth_signature_method=HMAC-SHA1"
             "&oauth_timestamp=1308152953"
             "&oauth_token=4%2FX8x0r7bHif_VNCLjUMutxGkzo13d"
             "&oauth_version=1.0"
-            "&scope=https%3A%2F%2Fwww.google.com%2Faccounts%2FOAuthLogin"
+            "&scope=https%3A%2F%2Faccounts.google.com%2FOAuthLogin"
             "&xaouth_display_name=Chromium",
             signed_text);
 }
 
 TEST(OAuthRequestSignerTest, SignPost2) {
-  GURL request_url("https://www.google.com/accounts/OAuthGetAccessToken");
+  GURL request_url("https://accounts.google.com/OAuthGetAccessToken");
   OAuthRequestSigner::Parameters parameters;
   parameters["oauth_timestamp"] = "1234567890";
   parameters["oauth_nonce"] = "17171717171717171";
   std::string signed_text;
   ASSERT_TRUE(OAuthRequestSigner::SignURL(
                   request_url,
                   parameters,
                   OAuthRequestSigner::HMAC_SHA1_SIGNATURE,
                   OAuthRequestSigner::POST_METHOD,
                   "anonymous",  // oauth_consumer_key
                   "anonymous",  // consumer secret
                   "4/CcC-hgdj1TNnWaX8NTQ76YDXCBEK",  // oauth_token
                   "", // token secret
                   &signed_text));
   ASSERT_EQ(signed_text,
             "oauth_consumer_key=anonymous"
             "&oauth_nonce=17171717171717171"
-            "&oauth_signature=BIuPHITrcptxSefd8H9Iazo8Pmo%3D"
+            "&oauth_signature=tPX2XqKQICWzopZ80CFGX%2F53DLo%3D"
             "&oauth_signature_method=HMAC-SHA1"
             "&oauth_timestamp=1234567890"
             "&oauth_token=4%2FCcC-hgdj1TNnWaX8NTQ76YDXCBEK"
             "&oauth_version=1.0");
 }
 
 TEST(OAuthRequestSignerTest, ParseAndSignPost1) {
   GURL request_url("https://www.google.com/accounts/o8/GetOAuthToken"
-                   "?scope=https://www.google.com/accounts/OAuthLogin"
+                   "?scope=https://accounts.google.com/OAuthLogin"
                    "&oauth_nonce=2oiE_aHdk5qRTz0L9C8Lq0g"
                    "&xaouth_display_name=Chromium"
                    "&oauth_timestamp=1308152953");
   std::string signed_text;
   ASSERT_TRUE(OAuthRequestSigner::ParseAndSign(
                   request_url,
                   OAuthRequestSigner::HMAC_SHA1_SIGNATURE,
                   OAuthRequestSigner::POST_METHOD,
                   "anonymous",  // oauth_consumer_key
                   "anonymous",  // consumer secret
                   "4/X8x0r7bHif_VNCLjUMutxGkzo13d",  // oauth_token
                   "b7120598d47594bd3522", // token secret
                   &signed_text));
   ASSERT_EQ("oauth_consumer_key=anonymous"
             "&oauth_nonce=2oiE_aHdk5qRTz0L9C8Lq0g"
-            "&oauth_signature=F%2BINyO4xgon5wUxcdcxWC11Ep7Y%3D"
+            "&oauth_signature=vVlfv6dnV2%2Fx7TozS0Gf83zS2%2BQ%3D"
             "&oauth_signature_method=HMAC-SHA1"
             "&oauth_timestamp=1308152953"
             "&oauth_token=4%2FX8x0r7bHif_VNCLjUMutxGkzo13d"
             "&oauth_version=1.0"
-            "&scope=https%3A%2F%2Fwww.google.com%2Faccounts%2FOAuthLogin"
+            "&scope=https%3A%2F%2Faccounts.google.com%2FOAuthLogin"
             "&xaouth_display_name=Chromium",
             signed_text);
 }
 
 TEST(OAuthRequestSignerTest, ParseAndSignPost2) {
-  GURL request_url("https://www.google.com/accounts/OAuthGetAccessToken"
+  GURL request_url("https://accounts.google.com/OAuthGetAccessToken"
                    "?oauth_timestamp=1234567890"
                    "&oauth_nonce=17171717171717171");
   std::string signed_text;
   ASSERT_TRUE(OAuthRequestSigner::ParseAndSign(
                   request_url,
                   OAuthRequestSigner::HMAC_SHA1_SIGNATURE,
                   OAuthRequestSigner::POST_METHOD,
                   "anonymous",  // oauth_consumer_key
                   "anonymous",  // consumer secret
                   "4/CcC-hgdj1TNnWaX8NTQ76YDXCBEK",  // oauth_token
                   "", // token secret
                   &signed_text));
   ASSERT_EQ(signed_text,
             "oauth_consumer_key=anonymous"
             "&oauth_nonce=17171717171717171"
-            "&oauth_signature=BIuPHITrcptxSefd8H9Iazo8Pmo%3D"
+            "&oauth_signature=tPX2XqKQICWzopZ80CFGX%2F53DLo%3D"
             "&oauth_signature_method=HMAC-SHA1"
             "&oauth_timestamp=1234567890"
             "&oauth_token=4%2FCcC-hgdj1TNnWaX8NTQ76YDXCBEK"
             "&oauth_version=1.0");
 }
 
 TEST(OAuthRequestSignerTest, SignAuthHeader) {
   GURL request_url("https://www.google.com/accounts/o8/GetOAuthToken");
   OAuthRequestSigner::Parameters parameters;
-  parameters["scope"] = "https://www.google.com/accounts/OAuthLogin";
+  parameters["scope"] = "https://accounts.google.com/OAuthLogin";
   parameters["oauth_nonce"] = "2oiE_aHdk5qRTz0L9C8Lq0g";
   parameters["xaouth_display_name"] = "Chromium";
   parameters["oauth_timestamp"] = "1308152953";
   std::string signed_text;
   ASSERT_TRUE(OAuthRequestSigner::SignAuthHeader(
                   request_url,
                   parameters,
                   OAuthRequestSigner::HMAC_SHA1_SIGNATURE,
                   OAuthRequestSigner::GET_METHOD,
                   "johndoe",  // oauth_consumer_key
                   "53cR3t",  // consumer secret
                   "4/VGY0MsQadcmO8VnCv9gnhoEooq1v",  // oauth_token
                   "c5e0531ff55dfbb4054e", // token secret
                   &signed_text));
   ASSERT_EQ("OAuth "
             "oauth_consumer_key=\"johndoe\", "
             "oauth_nonce=\"2oiE_aHdk5qRTz0L9C8Lq0g\", "
-            "oauth_signature=\"y9GCmlGSvNuTAotxsBMyxb6j%2BE8%3D\", "
+            "oauth_signature=\"PFqDTaiyey1UObcvOyI4Ng2HXW0%3D\", "
             "oauth_signature_method=\"HMAC-SHA1\", "
             "oauth_timestamp=\"1308152953\", "
             "oauth_token=\"4%2FVGY0MsQadcmO8VnCv9gnhoEooq1v\", "
             "oauth_version=\"1.0\", "
-            "scope=\"https%3A%2F%2Fwww.google.com%2Faccounts%2FOAuthLogin\", "
+            "scope=\"https%3A%2F%2Faccounts.google.com%2FOAuthLogin\", "
             "xaouth_display_name=\"Chromium\"",
             signed_text);
 }