Zoom Extension API (chrome)

chrome/browser/guest_view/web_view/web_view_guest.cc

Index: chrome/browser/guest_view/web_view/web_view_guest.cc
diff --git a/chrome/browser/guest_view/web_view/web_view_guest.cc b/chrome/browser/guest_view/web_view/web_view_guest.cc
index 9337d4150676773cb5b457c57347145c536cdb78..3fd65aff7188e924d8fa09d9a52848515e065c19 100644
--- a/chrome/browser/guest_view/web_view/web_view_guest.cc
+++ b/chrome/browser/guest_view/web_view/web_view_guest.cc
@@ -25,11 +25,11 @@
 #include "chrome/browser/renderer_context_menu/context_menu_delegate.h"
 #include "chrome/browser/renderer_context_menu/render_view_context_menu.h"
 #include "chrome/browser/ui/pdf/pdf_tab_helper.h"
+#include "chrome/browser/ui/zoom/zoom_controller.h"
 #include "chrome/common/chrome_version_info.h"
 #include "chrome/common/render_messages.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/child_process_security_policy.h"
-#include "content/public/browser/host_zoom_map.h"
 #include "content/public/browser/native_web_keyboard_event.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/notification_details.h"
@@ -971,8 +971,10 @@ void WebViewGuest::DidCommitProvisionalLoadForFrame(
       new GuestViewBase::Event(webview::kEventLoadCommit, args.Pass()));
 
   // Update the current zoom factor for the new page.
-  current_zoom_factor_ = content::ZoomLevelToZoomFactor(
-      content::HostZoomMap::GetZoomLevel(guest_web_contents()));
+  ZoomController* zoom_controller =
+      ZoomController::FromWebContents(guest_web_contents());
+  DCHECK(zoom_controller);
+  current_zoom_factor_ = zoom_controller->GetZoomLevel();
 
   if (is_main_frame) {
     chromevox_injected_ = false;
@@ -1422,8 +1424,11 @@ void WebViewGuest::SetName(const std::string& name) {
 }
 
 void WebViewGuest::SetZoom(double zoom_factor) {
+  ZoomController* zoom_controller =
+      ZoomController::FromWebContents(guest_web_contents());
+  DCHECK(zoom_controller);
   double zoom_level = content::ZoomFactorToZoomLevel(zoom_factor);
-  content::HostZoomMap::SetZoomLevel(guest_web_contents(), zoom_level);
+  zoom_controller->SetZoomLevel(zoom_level);
 
   scoped_ptr<base::DictionaryValue> args(new base::DictionaryValue());
   args->SetDouble(webview::kOldZoomFactor, current_zoom_factor_);