Migrate HostZoomMap to live in StoragePartition.

chrome/browser/profiles/profile.h

 // 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.
 
 // This class gathers state related to a single user profile.
 
 #ifndef CHROME_BROWSER_PROFILES_PROFILE_H_
 #define CHROME_BROWSER_PROFILES_PROFILE_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/containers/hash_tables.h"
 #include "base/logging.h"
 #include "components/domain_reliability/clear_mode.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/content_browser_client.h"
+#include "content/public/browser/host_zoom_map.h"
 
 class ChromeAppCacheService;
 class DevToolsNetworkController;
 class ExtensionSpecialStoragePolicy;
 class FaviconService;
 class HostContentSettingsMap;
 class PrefProxyConfigTracker;
 class PrefService;
 class PromoCounter;
 class ProtocolHandlerRegistry;
@@ skipping 349 matching lines @@
   bool IsSyncAccessible();
 
   // Send NOTIFICATION_PROFILE_DESTROYED for this Profile, if it has not
   // already been sent. It is necessary because most Profiles are destroyed by
   // ProfileDestroyer, but in tests, some are not.
   void MaybeSendDestroyedNotification();
 
   // Creates an OffTheRecordProfile which points to this Profile.
   Profile* CreateOffTheRecordProfile();
 
+  // Convenience method to retrieve the default zoom level for the default
+  // storage partition.
+  double GetDefaultZoomLevel();
+
+  // Convenience method to retrieve the zool level prefs for the default storage

[awong, 2014/08/20 19:56:58]

zool -> zoom

[wjmaclean, 2014/08/20 20:15:45]

Done.

+  // partition.
+  PrefService* GetZoomLevelPrefs();
+
+ protected:
+  // Allows a profile to track changes in zoom levels in another profile.
+  // This function, along with TrackZoomLevelChanged(), are placed in Profile
+  // to facilitate testing with TestingProfile.
+  void TrackZoomLevelsFromParent(Profile* parent);
+
  private:
+  // Callback function for tracking parent's zoom level changes.
+  void TrackZoomLevelChanged(
+      const content::HostZoomMap::ZoomLevelChange& change);
+
+  scoped_ptr<content::HostZoomMap::Subscription> track_zoom_subscription_;
+
   bool restored_last_session_;
 
   // Used to prevent the notification that this Profile is destroyed from
   // being sent twice.
   bool sent_destroyed_notification_;
 
   // Accessibility events will only be propagated when the pause
   // level is zero.  PauseAccessibilityEvents and ResumeAccessibilityEvents
   // increment and decrement the level, respectively, rather than set it to
   // true or false, so that calls can be nested.
@@ skipping 14 matching lines @@
 struct hash<Profile*> {
   std::size_t operator()(Profile* const& p) const {
     return reinterpret_cast<std::size_t>(p);
   }
 };
 
 }  // namespace BASE_HASH_NAMESPACE
 #endif
 
 #endif  // CHROME_BROWSER_PROFILES_PROFILE_H_