Add FrameHost mojo service

content/renderer/render_frame_impl.h

 // Copyright 2013 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.
 
 #ifndef CONTENT_RENDERER_RENDER_FRAME_IMPL_H_
 #define CONTENT_RENDERER_RENDER_FRAME_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <memory>
 #include <string>
 #include <vector>
 
 #include "base/files/file_path.h"
 #include "base/gtest_prod_util.h"
 #include "base/id_map.h"
 #include "base/macros.h"
 #include "base/memory/linked_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
 #include "base/process/process_handle.h"
 #include "build/build_config.h"
 #include "content/common/accessibility_mode_enums.h"
 #include "content/common/frame_message_enums.h"
+#include "content/common/host_zoom_level.mojom.h"
 #include "content/common/mojo/service_registry_impl.h"
 #include "content/public/common/console_message_level.h"
 #include "content/public/common/javascript_message_type.h"
 #include "content/public/common/referrer.h"
 #include "content/public/common/stop_find_action.h"
 #include "content/public/renderer/render_frame.h"
 #include "content/renderer/frame_blame_context.h"
 #include "content/renderer/mojo/blink_service_registry_impl.h"
 #include "content/renderer/render_frame_proxy.h"
 #include "content/renderer/renderer_webcookiejar_impl.h"
@@ skipping 616 matching lines @@
   friend class RenderFrameImplTest;
   friend class RenderFrameObserver;
   friend class RendererAccessibilityTest;
   friend class TestRenderFrame;
   FRIEND_TEST_ALL_PREFIXES(ExternalPopupMenuDisplayNoneTest, SelectItem);
   FRIEND_TEST_ALL_PREFIXES(ExternalPopupMenuRemoveTest, RemoveOnChange);
   FRIEND_TEST_ALL_PREFIXES(ExternalPopupMenuTest, NormalCase);
   FRIEND_TEST_ALL_PREFIXES(ExternalPopupMenuTest, ShowPopupThenNavigate);
   FRIEND_TEST_ALL_PREFIXES(RendererAccessibilityTest,
                            AccessibilityMessagesQueueWhileSwappedOut);
+  FRIEND_TEST_ALL_PREFIXES(RenderFrameImplTest, ZoomLimit);
 
   // A wrapper class used as the callback for JavaScript executed
   // in an isolated world.
   class JavaScriptIsolatedWorldRequest
       : public blink::WebScriptExecutionCallback {
    public:
     JavaScriptIsolatedWorldRequest(
         int id,
         bool notify_result,
         int routing_id,
@@ skipping 302 matching lines @@
   // Sends a reply to the current find operation handling if it was a
   // synchronous find request.
   void SendFindReply(int request_id,
                      int match_count,
                      int ordinal,
                      const blink::WebRect& selection_rect,
                      bool final_status_update);
 
   void InitializeBlameContext(RenderFrameImpl* parent_frame);
 
+  void OnGotZoomLevel(const GURL& url, double zoom_level);
+
   // Stores the WebLocalFrame we are associated with.  This is null from the
   // constructor until BindToWebFrame is called, and it is null after
   // frameDetached is called until destruction (which is asynchronous in the
   // case of the main frame, but not subframes).
   blink::WebLocalFrame* frame_;
 
   // Boolean value indicating whether this RenderFrameImpl object is for the
   // main frame or not. It remains accurate during destruction, even when
   // |frame_| has been invalidated.
   bool is_main_frame_;
@@ skipping 179 matching lines @@
   // Only valid if |accessibility_mode_| is anything other than
   // AccessibilityModeOff.
   RendererAccessibility* renderer_accessibility_;
 
   std::unique_ptr<PermissionDispatcher> permission_client_;
 
   std::unique_ptr<blink::WebAppBannerClient> app_banner_client_;
 
   std::unique_ptr<blink::WebBluetooth> bluetooth_;
 
+  HostZoomLevels host_zoom_levels_;
+  mojom::HostZoomLevelPtr host_zoom_level_;

[wjmaclean, 2016/05/16 18:53:07]

nit: these names are *very* similar and might be confusing to someone reading
the code ... maybe make host_zoom_levels_ something less similar?

[scottmg, 2016/05/16 22:54:56]

How about host_zoom_levels_ and mojo_host_zoom_level_? Not great...

+
   // Manages play, pause notifications for WebMediaPlayer implementations; its
   // lifetime is tied to the RenderFrame via the RenderFrameObserver interface.
   media::RendererWebMediaPlayerDelegate* media_player_delegate_;
 
   // Whether or not this RenderFrame is using Lo-Fi mode.
   bool is_using_lofi_;
 
   // Effective connection type when the document of this frame was fetched.
   blink::WebEffectiveConnectionType effective_connection_type_;
 
@@ skipping 13 matching lines @@
   FrameBlameContext* blame_context_;  // Not owned.
 
   base::WeakPtrFactory<RenderFrameImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderFrameImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_FRAME_IMPL_H_