Introduce CompositorDependencies for RenderWidgetCompositor.

content/renderer/render_widget.h

 // 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.
 
 #ifndef CONTENT_RENDERER_RENDER_WIDGET_H_
 #define CONTENT_RENDERER_RENDER_WIDGET_H_
 
 #include <deque>
 #include <map>
 
@@ skipping 52 matching lines @@
 namespace cc {
 class OutputSurface;
 class SwapPromise;
 }
 
 namespace gfx {
 class Range;
 }
 
 namespace content {
+class CompositorDependencies;
 class ExternalPopupMenu;
 class FrameSwapMessageQueue;
 class PepperPluginInstanceImpl;
 class RenderFrameImpl;
 class RenderFrameProxy;
 class RenderWidgetCompositor;
 class RenderWidgetTest;
 class ResizingModeSelector;
 struct ContextMenuParams;
 struct WebPluginGeometry;
 
 // RenderWidget provides a communication bridge between a WebWidget and
 // a RenderWidgetHost, the latter of which lives in a different process.
 class CONTENT_EXPORT RenderWidget
     : public IPC::Listener,
       public IPC::Sender,
       NON_EXPORTED_BASE(virtual public blink::WebWidgetClient),
       public base::RefCounted<RenderWidget> {
  public:
   // Creates a new RenderWidget.  The opener_id is the routing ID of the
   // RenderView that this widget lives inside.
   static RenderWidget* Create(int32 opener_id,
+                              CompositorDependencies* compositor_deps,
                               blink::WebPopupType popup_type,
                               const blink::WebScreenInfo& screen_info);
 
   // Creates a WebWidget based on the popup type.
   static blink::WebWidget* CreateWebWidget(RenderWidget* render_widget);
 
   int32 routing_id() const { return routing_id_; }
   int32 surface_id() const { return surface_id_; }
+  CompositorDependencies* compositor_deps() const { return compositor_deps_; }
   blink::WebWidget* webwidget() const { return webwidget_; }
   gfx::Size size() const { return size_; }
   bool has_focus() const { return has_focus_; }
   bool is_fullscreen() const { return is_fullscreen_; }
   bool is_hidden() const { return is_hidden_; }
   bool handling_input_event() const { return handling_input_event_; }
   // Temporary for debugging purposes...
   bool closing() const { return closing_; }
   bool is_swapped_out() { return is_swapped_out_; }
   ui::MenuSourceType context_menu_source_type() {
@@ skipping 206 matching lines @@
   RenderWidget(blink::WebPopupType popup_type,
                const blink::WebScreenInfo& screen_info,
                bool swapped_out,
                bool hidden,
                bool never_visible);
 
   ~RenderWidget() override;
 
   // Initializes this view with the given opener.  CompleteInit must be called
   // later.
-  bool Init(int32 opener_id);
+  bool Init(int32 opener_id, CompositorDependencies* compositor_deps);
 
   // Called by Init and subclasses to perform initialization.
   bool DoInit(int32 opener_id,
+              CompositorDependencies* compositor_deps,
               blink::WebWidget* web_widget,
               IPC::SyncMessage* create_widget_message);
 
   // Finishes creation of a pending view started with Init.
   void CompleteInit();
 
   // Sets whether this RenderWidget has been swapped out to be displayed by
   // a RenderWidget in a different process.  If so, no new IPC messages will be
   // sent (only ACKs) and the process is free to exit when there are no other
   // active RenderWidgets.
@@ skipping 205 matching lines @@
 
   // Creates a 3D context associated with this view.
   scoped_ptr<WebGraphicsContext3DCommandBufferImpl> CreateGraphicsContext3D();
 
   // Routing ID that allows us to communicate to the parent browser process
   // RenderWidgetHost. When MSG_ROUTING_NONE, no messages may be sent.
   int32 routing_id_;
 
   int32 surface_id_;
 
+  // Dependencies for initializing a compositor, including flags for optional
+  // features.
+  CompositorDependencies* compositor_deps_;
+
   // We are responsible for destroying this object via its Close method.
   // May be NULL when the window is closing.
   blink::WebWidget* webwidget_;
 
   // This is lazily constructed and must not outlive webwidget_.
   scoped_ptr<RenderWidgetCompositor> compositor_;
 
   // Set to the ID of the view that initiated creating this view, if any. When
   // the view was initiated by the browser (the common case), this will be
   // MSG_ROUTING_NONE. This is used in determining ownership when opening
@@ skipping 196 matching lines @@
   ui::MenuSourceType context_menu_source_type_;
   bool has_host_context_menu_location_;
   gfx::Point host_context_menu_location_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidget);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_WIDGET_H_