Send content settings based on the URL to the renderer instead of just the host.

chrome/browser/host_zoom_map.h

 // Copyright (c) 2010 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.
 
 // Maps hostnames to custom zoom levels.  Written on the UI thread and read on
 // any thread.  One instance per profile.
 
 #ifndef CHROME_BROWSER_HOST_ZOOM_MAP_H_
 #define CHROME_BROWSER_HOST_ZOOM_MAP_H_
 
 #include <map>
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/lock.h"
 #include "base/ref_counted.h"
 #include "chrome/common/notification_observer.h"
 #include "chrome/common/notification_registrar.h"
 
+class GURL;
 class PrefService;
 class Profile;
 
 class HostZoomMap : public NotificationObserver,
                     public base::RefCountedThreadSafe<HostZoomMap> {
  public:
   explicit HostZoomMap(Profile* profile);
 
   static void RegisterUserPrefs(PrefService* prefs);
 
-  // Returns the zoom level for a given hostname.  In most cases, there is no
-  // custom zoom level, and this returns 0.  Otherwise, returns the saved zoom
-  // level, which may be positive (to zoom in) or negative (to zoom out).
+  // Returns the zoom level for a given url. The zoom level is determined by
+  // the host portion of the URL, or (in the absence of a host) the complete
+  // spec of the URL. In most cases, there is no custom zoom level, and this
+  // returns 0.  Otherwise, returns the saved zoom level, which may be positive
+  // (to zoom in) or negative (to zoom out).
   //
   // This may be called on any thread.
-  int GetZoomLevel(const std::string& host) const;
+  int GetZoomLevel(const GURL& url) const;
 
-  // Sets the zoom level for a given hostname to |level|.  If the level is 0,
+  // Sets the zoom level for a given url to |level|.  If the level is 0,
   // the host is erased from the saved preferences; otherwise the new value is
   // written out.
   //
   // This should only be called on the UI thread.
-  void SetZoomLevel(const std::string& host, int level);
+  void SetZoomLevel(const GURL& url, int level);
 
   // Resets all zoom levels.
   //
   // This should only be called on the UI thread.
   void ResetToDefaults();
 
   // NotificationObserver implementation.
   virtual void Observe(NotificationType type,
                        const NotificationSource& source,
                        const NotificationDetails& details);
@@ skipping 24 matching lines @@
   // Whether we are currently updating preferences, this is used to ignore
   // notifications from the preference service that we triggered ourself.
   bool updating_preferences_;
 
   NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(HostZoomMap);
 };
 
 #endif  // CHROME_BROWSER_HOST_ZOOM_MAP_H_