Initialize CompositorDependencies in RenderWidget's constructor.

content/renderer/render_widget_fullscreen.h

Index: content/renderer/render_widget_fullscreen.h
diff --git a/content/renderer/render_widget_fullscreen.h b/content/renderer/render_widget_fullscreen.h
index 81af2df58b910a3a792f2d00e95f659bf91089bb..b4f61068ca5e525102deaa82efa54cc4117124ee 100644
--- a/content/renderer/render_widget_fullscreen.h
+++ b/content/renderer/render_widget_fullscreen.h
@@ -18,12 +18,13 @@ class RenderWidgetFullscreen : public RenderWidget {
   virtual void show(blink::WebNavigationPolicy);
 
  protected:
-  RenderWidgetFullscreen(const blink::WebScreenInfo& screen_info);
+  RenderWidgetFullscreen(CompositorDependencies* compositor_deps,
+                         const blink::WebScreenInfo& screen_info);
   ~RenderWidgetFullscreen() override;
 
   virtual blink::WebWidget* CreateWebWidget();
 
-  bool Init(int32 opener_id, CompositorDependencies* compositor_deps);
+  bool Init(int32 opener_id);
 };
 
 }  // namespace content