content: Initialize RenderWidgetCompositor::threaded_ field properly.

BUG=257620

Review URL: https://chromiumcodereview.appspot.com/19636007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@212752 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/content/renderer/gpu/render_widget_compositor.h b/content/renderer/gpu/render_widget_compositor.h
index faf1d88..b49f6b9 100644
--- a/content/renderer/gpu/render_widget_compositor.h
+++ b/content/renderer/gpu/render_widget_compositor.h
@@ -31,7 +31,8 @@
  public:
   // Attempt to construct and initialize a compositor instance for the widget
   // with the given settings. Returns NULL if initialization fails.
-  static scoped_ptr<RenderWidgetCompositor> Create(RenderWidget* widget);
+  static scoped_ptr<RenderWidgetCompositor> Create(RenderWidget* widget,
+                                                   bool threaded);
 
   virtual ~RenderWidgetCompositor();
 
@@ -107,7 +108,7 @@
       OffscreenContextProviderForCompositorThread() OVERRIDE;
 
  private:
-  explicit RenderWidgetCompositor(RenderWidget* widget);
+  RenderWidgetCompositor(RenderWidget* widget, bool threaded);
 
   bool initialize(cc::LayerTreeSettings settings);