Drop url_constants dependency in content/.

content/browser/content_browser_client.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 "content/browser/content_browser_client.h"
 
 #include "base/memory/singleton.h"
 #include "content/browser/webui/empty_web_ui_factory.h"
 #include "googleurl/src/gurl.h"
 
@@ skipping 15 matching lines @@
 
 WebUIFactory* ContentBrowserClient::GetWebUIFactory() {
   // Return an empty factory so callsites don't have to check for NULL.
   return EmptyWebUIFactory::Get();
 }
 
 GURL ContentBrowserClient::GetEffectiveURL(Profile* profile, const GURL& url) {
   return url;
 }
 
+bool ContentBrowserClient::IsURLSameAsAnySiteInstance(const GURL& url) {
+  return false;
+}
+
 GURL ContentBrowserClient::GetAlternateErrorPageURL(const TabContents* tab) {
   return GURL();
 }
 
 std::string ContentBrowserClient::GetCanonicalEncodingNameByAliasName(
     const std::string& alias_name) {
   return alias_name;
 }
 
 void ContentBrowserClient::AppendExtraCommandLineSwitches(
@@ skipping 30 matching lines @@
   return true;
 }
 
 #if defined(OS_LINUX)
 int ContentBrowserClient::GetCrashSignalFD(const std::string& process_type) {
   return -1;
 }
 #endif
 
 }  // namespace content