Create Content API around HostZoomMap.

content/browser/tab_contents/tab_contents.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/browser/tab_contents/tab_contents.h"
 
 #include <cmath>
 
 #include "base/command_line.h"
 #include "base/metrics/histogram.h"
 #include "base/metrics/stats_counters.h"
 #include "base/string16.h"
 #include "base/string_util.h"
 #include "base/time.h"
 #include "base/utf_string_conversions.h"
 #include "content/browser/child_process_security_policy.h"
 #include "content/browser/debugger/devtools_manager_impl.h"
 #include "content/browser/download/download_stats.h"
 #include "content/browser/download/save_package.h"
-#include "content/browser/host_zoom_map.h"
+#include "content/browser/host_zoom_map_impl.h"
 #include "content/browser/in_process_webkit/session_storage_namespace.h"
 #include "content/browser/intents/web_intents_dispatcher_impl.h"
 #include "content/browser/load_from_memory_cache_details.h"
 #include "content/browser/load_notification_details.h"
 #include "content/browser/renderer_host/render_process_host_impl.h"
 #include "content/browser/renderer_host/render_view_host.h"
 #include "content/browser/renderer_host/render_widget_host_view.h"
 #include "content/browser/renderer_host/resource_dispatcher_host.h"
 #include "content/browser/renderer_host/resource_request_details.h"
 #include "content/browser/site_instance_impl.h"
@@ skipping 999 matching lines @@
 
 void TabContents::SetClosedByUserGesture(bool value) {
   closed_by_user_gesture_ = value;
 }
 
 bool TabContents::GetClosedByUserGesture() const {
   return closed_by_user_gesture_;
 }
 
 double TabContents::GetZoomLevel() const {
-  HostZoomMap* zoom_map = GetBrowserContext()->GetHostZoomMap();
+  HostZoomMapImpl* zoom_map = static_cast<HostZoomMapImpl*>(
+      GetBrowserContext()->GetHostZoomMap());
   if (!zoom_map)
     return 0;
 
   double zoom_level;
   if (temporary_zoom_settings_) {
     zoom_level = zoom_map->GetTemporaryZoomLevel(
         GetRenderProcessHost()->GetID(), GetRenderViewHost()->routing_id());
   } else {
     GURL url;
     NavigationEntry* active_entry = GetController().GetActiveEntry();
@@ skipping 1230 matching lines @@
   encoding_ = content::GetContentClient()->browser()->
       GetCanonicalEncodingNameByAliasName(encoding);
 }
 
 void TabContents::CreateViewAndSetSizeForRVH(RenderViewHost* rvh) {
   RenderWidgetHostView* rwh_view = GetView()->CreateViewForWidget(rvh);
   // Can be NULL during tests.
   if (rwh_view)
     rwh_view->SetSize(GetView()->GetContainerSize());
 }