Drop url_constants dependency in content/.

chrome/browser/chrome_content_browser_client.h

Index: chrome/browser/chrome_content_browser_client.h
diff --git a/chrome/browser/chrome_content_browser_client.h b/chrome/browser/chrome_content_browser_client.h
index 3a96dc29203e378ae64002b5601be4c119180709..6e20ac9e77d6b1907497edac4a1c204ba6c8373b 100644
--- a/chrome/browser/chrome_content_browser_client.h
+++ b/chrome/browser/chrome_content_browser_client.h
@@ -12,12 +12,16 @@ namespace chrome {
 
 class ChromeContentBrowserClient : public content::ContentBrowserClient {
  public:
+  ChromeContentBrowserClient();
+  ~ChromeContentBrowserClient();
+
   virtual void RenderViewHostCreated(RenderViewHost* render_view_host);
   virtual void BrowserRenderProcessHostCreated(BrowserRenderProcessHost* host);
   virtual void PluginProcessHostCreated(PluginProcessHost* host);
   virtual void WorkerProcessHostCreated(WorkerProcessHost* host);
   virtual content::WebUIFactory* GetWebUIFactory();
   virtual GURL GetEffectiveURL(Profile* profile, const GURL& url);
+  virtual const std::set<std::string>* GetSchemesSameAsAnySiteInstance();
   virtual GURL GetAlternateErrorPageURL(const TabContents* tab);
   virtual std::string GetCanonicalEncodingNameByAliasName(
       const std::string& alias_name);
@@ -43,6 +47,9 @@ class ChromeContentBrowserClient : public content::ContentBrowserClient {
   // Can return an optional fd for crash handling, otherwise returns -1.
   virtual int GetCrashSignalFD(const std::string& process_type);
 #endif
+
+ private:
+  std::set<std::string> schemes_same_as_any_site_instance_;
 };
 
 }  // namespace chrome