Initialize CompositorDependencies in RenderWidget's constructor.

content/renderer/render_view_impl.h

Index: content/renderer/render_view_impl.h
diff --git a/content/renderer/render_view_impl.h b/content/renderer/render_view_impl.h
index e58d66919ae56a67e9094005634b7b927e1012f1..7c6dd554ae207d3f9ab6cb7176712db3f8d69930 100644
--- a/content/renderer/render_view_impl.h
+++ b/content/renderer/render_view_impl.h
@@ -161,14 +161,15 @@ class CONTENT_EXPORT RenderViewImpl
   // |opener_id| will be MSG_ROUTING_NONE. When |swapped_out| is true, the
   // |proxy_routing_id| is specified, so a RenderFrameProxy can be created for
   // this RenderView's main RenderFrame.
-  static RenderViewImpl* Create(const ViewMsg_New_Params& params,
-                                CompositorDependencies* compositor_deps,
+  static RenderViewImpl* Create(CompositorDependencies* compositor_deps,
+                                const ViewMsg_New_Params& params,
                                 bool was_created_by_renderer);
 
   // Used by content_layouttest_support to hook into the creation of
   // RenderViewImpls.
-  static void InstallCreateHook(
-      RenderViewImpl* (*create_render_view_impl)(const ViewMsg_New_Params&));
+  static void InstallCreateHook(RenderViewImpl* (*create_render_view_impl)(
+      CompositorDependencies* compositor_deps,
+      const ViewMsg_New_Params&));
 
   // Returns the RenderViewImpl containing the given WebView.
   static RenderViewImpl* FromWebView(blink::WebView* webview);
@@ -487,10 +488,10 @@ class CONTENT_EXPORT RenderViewImpl
   void DidCompletePageScaleAnimation() override;
 
  protected:
-  explicit RenderViewImpl(const ViewMsg_New_Params& params);
+  RenderViewImpl(CompositorDependencies* compositor_deps,
+                 const ViewMsg_New_Params& params);
 
   void Initialize(const ViewMsg_New_Params& params,
-                  CompositorDependencies* compositor_deps,
                   bool was_created_by_renderer);
   void SetScreenMetricsEmulationParameters(
       bool enabled,