Migrate HostZoomMap to live in StoragePartition.

content/browser/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/public/browser/browser_context.h"
 
 #if !defined(OS_IOS)
 #include "content/browser/download/download_manager_impl.h"
 #include "content/browser/fileapi/chrome_blob_storage_context.h"
 #include "content/browser/indexed_db/indexed_db_context_impl.h"
 #include "content/browser/loader/resource_dispatcher_host_impl.h"
 #include "content/browser/push_messaging_router.h"
 #include "content/browser/storage_partition_impl_map.h"
 #include "content/common/child_process_host_impl.h"
 #include "content/public/browser/blob_handle.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/content_browser_client.h"
+#include "content/public/browser/host_zoom_map.h"
 #include "content/public/browser/site_instance.h"
 #include "net/cookies/cookie_monster.h"
 #include "net/cookies/cookie_store.h"
 #include "net/ssl/channel_id_service.h"
 #include "net/ssl/channel_id_store.h"
 #include "net/url_request/url_request_context.h"
 #include "net/url_request/url_request_context_getter.h"
 #include "webkit/browser/database/database_tracker.h"
 #include "webkit/browser/fileapi/external_mount_points.h"
 #endif // !OS_IOS
@@ skipping 49 matching lines @@
   context->channel_id_service()->GetChannelIDStore()->
       SetForceKeepSessionState();
   appcache_service->set_force_keep_session_state();
 }
 
 void SaveSessionStateOnIndexedDBThread(
     scoped_refptr<IndexedDBContextImpl> indexed_db_context) {
   indexed_db_context->SetForceKeepSessionState();
 }
 
+void ChangeDefaultZoomForStoragePartition(
+    double level,
+    content::StoragePartition* partition) {
+  DCHECK(partition);

[awong, 2014/08/12 21:07:06]

IIRC, if you're just going to crash on the next line, we don't usually bother
with a DCHECK().

[wjmaclean, 2014/08/13 17:16:03]

Done.

+  partition->GetHostZoomMap()->SetDefaultZoomLevel(level);
+}
+
 }  // namespace
 
 // static
 void BrowserContext::AsyncObliterateStoragePartition(
     BrowserContext* browser_context,
     const GURL& site,
     const base::Closure& on_gc_required) {
   GetStoragePartitionMap(browser_context)->AsyncObliterate(site,
                                                            on_gc_required);
 }
 
 // static
 void BrowserContext::GarbageCollectStoragePartitions(
       BrowserContext* browser_context,
       scoped_ptr<base::hash_set<base::FilePath> > active_paths,
       const base::Closure& done) {
   GetStoragePartitionMap(browser_context)->GarbageCollect(
       active_paths.Pass(), done);
 }
 
+// static
+void BrowserContext::SetDefaultZoomLevel(BrowserContext* context,
+                                         double level) {
+  GetStoragePartitionMap(context)->ForEach(
+      base::Bind(ChangeDefaultZoomForStoragePartition, level));
+}
+
 DownloadManager* BrowserContext::GetDownloadManager(
     BrowserContext* context) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   if (!context->GetUserData(kDownloadManagerKeyName)) {
     ResourceDispatcherHostImpl* rdh = ResourceDispatcherHostImpl::Get();
     DCHECK(rdh);
     DownloadManager* download_manager =
         new DownloadManagerImpl(
             GetContentClient()->browser()->GetNetLog(), context);
 
@@ skipping 155 matching lines @@
 
 #endif  // !OS_IOS
 
 BrowserContext::~BrowserContext() {
 #if !defined(OS_IOS)
   if (GetUserData(kDownloadManagerKeyName))
     GetDownloadManager(this)->Shutdown();
 #endif
 }
 
+double BrowserContext::GetDefaultZoomLevel() const {
+  return 0;
+}
+
+ZoomLevelPrefsDelegate* BrowserContext::CreateZoomLevelPrefsDelegate() {
+  return NULL;
+}
+
 }  // namespace content