Remove round trip from data reduction proxy authentication

chrome/chrome_android.gypi

Index: chrome/chrome_android.gypi
diff --git a/chrome/chrome_android.gypi b/chrome/chrome_android.gypi
index 1d4de15ed7691fec32de390668550222e769c113..ee82a100ff77862be5adc00644b4e252c9f7c048 100644
--- a/chrome/chrome_android.gypi
+++ b/chrome/chrome_android.gypi
@@ -16,6 +16,7 @@
       'dependencies': [
         '../base/base.gyp:base',
         'chrome_android_core',
+        'chrome_android_auxiliary',
         'chromium_testshell_jni_headers',
         'chrome.gyp:browser_ui',
       ],
@@ -23,7 +24,6 @@
         # This file must always be included in the shared_library step to ensure
         # JNI_OnLoad is exported.
         'app/android/chrome_jni_onload.cc',
-
         'android/testshell/chrome_main_delegate_testshell_android.cc',
         'android/testshell/chrome_main_delegate_testshell_android.h',
         "android/testshell/testshell_google_location_settings_helper.cc",
@@ -112,6 +112,8 @@
       'sources': [
         'app/android/chrome_android_initializer.cc',
         'app/android/chrome_android_initializer.h',
+        'app/android/chrome_data_reduction_proxy_android.cc',
+        'app/android/chrome_data_reduction_proxy_android.h',
         'app/android/chrome_main_delegate_android.cc',
         'app/android/chrome_main_delegate_android.h',
         'app/chrome_main_delegate.cc',
@@ -125,6 +127,19 @@
       },
     },
     {
+       'target_name': 'chrome_android_auxiliary',
+       'type': 'static_library',
+       'include_dirs': [
+         '<(SHARED_INTERMEDIATE_DIR)/chromium_testshell',
+       ],
+       'sources': [
+         'android/testshell/chrome_data_reduction_proxy_testshell_android.cc',
+       ],
+       'dependencies': [
+         '../base/base.gyp:base',
+       ],
+    },
+    {
       'target_name': 'chromium_testshell_paks',
       'type': 'none',
       'dependencies': [