Migrate HostZoomMap to live in StoragePartition.

chrome/browser/profiles/off_the_record_profile_impl.cc

Index: chrome/browser/profiles/off_the_record_profile_impl.cc
diff --git a/chrome/browser/profiles/off_the_record_profile_impl.cc b/chrome/browser/profiles/off_the_record_profile_impl.cc
index 61bb7a6589f6a4a0c4ffe4ba062d5282ba1949e6..78acca1b10eed85ed09dbad0f3ec0b1ba76b8f96 100644
--- a/chrome/browser/profiles/off_the_record_profile_impl.cc
+++ b/chrome/browser/profiles/off_the_record_profile_impl.cc
@@ -78,7 +78,6 @@
 
 using content::BrowserThread;
 using content::DownloadManagerDelegate;
-using content::HostZoomMap;
 
 #if defined(ENABLE_EXTENSIONS)
 namespace {
@@ -139,7 +138,7 @@ void OffTheRecordProfileImpl::Init() {
   GetRequestContext();
 #endif  // defined(OS_CHROMEOS)
 
-  InitHostZoomMap();
+  TrackZoomLevelsFromParent(profile_);
 
 #if defined(ENABLE_PLUGINS)
   ChromePluginServiceFilter::GetInstance()->RegisterResourceContext(
@@ -191,18 +190,6 @@ void OffTheRecordProfileImpl::InitIoData() {
   io_data_.reset(new OffTheRecordProfileIOData::Handle(this));
 }
 
-void OffTheRecordProfileImpl::InitHostZoomMap() {
-  HostZoomMap* host_zoom_map = HostZoomMap::GetForBrowserContext(this);
-  HostZoomMap* parent_host_zoom_map =
-      HostZoomMap::GetForBrowserContext(profile_);
-  host_zoom_map->CopyFrom(parent_host_zoom_map);
-  // Observe parent's HZM change for propagating change of parent's
-  // change to this HZM.
-  zoom_subscription_ = parent_host_zoom_map->AddZoomLevelChangedCallback(
-      base::Bind(&OffTheRecordProfileImpl::OnZoomLevelChanged,
-                 base::Unretained(this)));
-}
-
 #if defined(OS_ANDROID) || defined(OS_IOS)
 void OffTheRecordProfileImpl::UseSystemProxy() {
   // Force the use of the system-assigned proxy when off the record.
@@ -228,6 +215,10 @@ Profile::ProfileType OffTheRecordProfileImpl::GetProfileType() const {
   return INCOGNITO_PROFILE;
 }
 
+double OffTheRecordProfileImpl::GetDefaultZoomLevel() const {
+  return profile_->GetDefaultZoomLevel();
+}
+
 base::FilePath OffTheRecordProfileImpl::GetPath() const {
   return profile_->GetPath();
 }
@@ -511,23 +502,6 @@ Profile* Profile::CreateOffTheRecordProfile() {
   return profile;
 }
 
-void OffTheRecordProfileImpl::OnZoomLevelChanged(
-    const HostZoomMap::ZoomLevelChange& change) {
-  HostZoomMap* host_zoom_map = HostZoomMap::GetForBrowserContext(this);
-  switch (change.mode) {
-    case HostZoomMap::ZOOM_CHANGED_TEMPORARY_ZOOM:
-       return;
-    case HostZoomMap::ZOOM_CHANGED_FOR_HOST:
-       host_zoom_map->SetZoomLevelForHost(change.host, change.zoom_level);
-       return;
-    case HostZoomMap::ZOOM_CHANGED_FOR_SCHEME_AND_HOST:
-       host_zoom_map->SetZoomLevelForHostAndScheme(change.scheme,
-           change.host,
-           change.zoom_level);
-       return;
-  }
-}
-
 PrefProxyConfigTracker* OffTheRecordProfileImpl::CreateProxyConfigTracker() {
 #if defined(OS_CHROMEOS)
   if (chromeos::ProfileHelper::IsSigninProfile(this)) {