Fix invalid parsing of cookie in Web request helpers.

chrome/browser/extensions/api/web_request/web_request_api_helpers.cc

 // Copyright (c) 2012 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/browser/extensions/api/web_request/web_request_api_helpers.h"
 
 #include <cmath>
 
 #include "base/bind.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 480 matching lines @@
     std::string::const_iterator cookie_name_beginning = i;
     while (i != header_value.end() && *i != '=') ++i;
     base::StringPiece cookie_name(cookie_name_beginning, i);
 
     // Find cookie value.
     base::StringPiece cookie_value;
     if (i != header_value.end()) {  // Cookies may have no value.
       ++i;  // Skip '='.
       std::string::const_iterator cookie_value_beginning = i;
       if (*i == '"') {
+        ++i;  // Skip '"'.
         while (i != header_value.end() && *i != '"') ++i;
         if (i == header_value.end()) return;
         ++i;  // Skip '"'.
         cookie_value = base::StringPiece(cookie_value_beginning, i);
         // i points to character after '"', potentially a ';'
       } else {
         while (i != header_value.end() && *i != ';') ++i;
         cookie_value = base::StringPiece(cookie_value_beginning, i);
         // i points to ';' or end of string.
       }
@@ skipping 760 matching lines @@
   for (content::RenderProcessHost::iterator it =
            content::RenderProcessHost::AllHostsIterator();
        !it.IsAtEnd(); it.Advance()) {
     content::RenderProcessHost* host = it.GetCurrentValue();
     if (host->GetBrowserContext() == browser_context)
       SendExtensionWebRequestStatusToHost(host);
   }
 }
 
 }  // namespace extension_web_request_api_helpers