Update WebLocalFrameImpl with WebLocalFrameBase to break dependencies.

third_party/WebKit/Source/web/PageOverlay.h

Index: third_party/WebKit/Source/web/PageOverlay.h
diff --git a/third_party/WebKit/Source/web/PageOverlay.h b/third_party/WebKit/Source/web/PageOverlay.h
index 377ab22fe245f60034f785b7984111b59dc834ca..370c6f716f69e13bd07daf6888e826aaa3329184 100644
--- a/third_party/WebKit/Source/web/PageOverlay.h
+++ b/third_party/WebKit/Source/web/PageOverlay.h
@@ -39,7 +39,7 @@
 namespace blink {
 
 class GraphicsContext;
-class WebLocalFrameImpl;
+class WebLocalFrameBase;
 
 // Manages a layer that is overlaid on a WebLocalFrame's content.
 class WEB_EXPORT PageOverlay : public GraphicsLayerClient,
@@ -56,7 +56,7 @@ class WEB_EXPORT PageOverlay : public GraphicsLayerClient,
   };
 
   static std::unique_ptr<PageOverlay> Create(
-      WebLocalFrameImpl*,
+      WebLocalFrameBase*,
       std::unique_ptr<PageOverlay::Delegate>);
 
   ~PageOverlay();
@@ -80,9 +80,9 @@ class WEB_EXPORT PageOverlay : public GraphicsLayerClient,
   String DebugName(const GraphicsLayer*) const override;
 
  private:
-  PageOverlay(WebLocalFrameImpl*, std::unique_ptr<PageOverlay::Delegate>);
+  PageOverlay(WebLocalFrameBase*, std::unique_ptr<PageOverlay::Delegate>);
 
-  Persistent<WebLocalFrameImpl> frame_impl_;
+  Persistent<WebLocalFrameBase> frame_impl_;
   std::unique_ptr<PageOverlay::Delegate> delegate_;
   std::unique_ptr<GraphicsLayer> layer_;
 };