Move creation and ownership of HostZoomMap to content instead of having every embedder do this.

content/shell/shell_browser_context.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 "content/shell/shell_browser_context.h"
 
 #include "base/bind.h"
 #include "base/environment.h"
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "base/path_service.h"
 #include "base/threading/thread.h"
 #include "content/browser/download/download_manager_impl.h"
-#include "content/browser/host_zoom_map_impl.h"
 #include "content/browser/in_process_webkit/webkit_context.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/geolocation_permission_context.h"
 #include "content/public/browser/speech_input_preferences.h"
 #include "content/shell/shell_browser_main.h"
 #include "content/shell/shell_download_manager_delegate.h"
 #include "content/shell/shell_resource_context.h"
 #include "content/shell/shell_url_request_context_getter.h"
 
 #if defined(OS_WIN)
@@ skipping 131 matching lines @@
 }
 
 ResourceContext* ShellBrowserContext::GetResourceContext()  {
   if (!resource_context_.get()) {
     resource_context_.reset(new ShellResourceContext(
         static_cast<ShellURLRequestContextGetter*>(GetRequestContext())));
   }
   return resource_context_.get();
 }
 
-HostZoomMap* ShellBrowserContext::GetHostZoomMap()  {
-  if (!host_zoom_map_)
-    host_zoom_map_ = HostZoomMap::Create();
-  return host_zoom_map_.get();
-}
-
 GeolocationPermissionContext*
     ShellBrowserContext::GetGeolocationPermissionContext()  {
   if (!geolocation_permission_context_) {
     geolocation_permission_context_ =
         new ShellGeolocationPermissionContext();
   }
   return geolocation_permission_context_;
 }
 
 SpeechInputPreferences* ShellBrowserContext::GetSpeechInputPreferences() {
   if (!speech_input_preferences_.get())
     speech_input_preferences_ = new ShellSpeechInputPreferences();
   return speech_input_preferences_.get();
 }
 
 bool ShellBrowserContext::DidLastSessionExitCleanly()  {
   return true;
 }
 
 quota::SpecialStoragePolicy* ShellBrowserContext::GetSpecialStoragePolicy() {
   return NULL;
 }
 
 }  // namespace content