Remove FrameViewBase as base class of RemoteFrameView.

third_party/WebKit/Source/platform/scroll/Scrollbar.h

Index: third_party/WebKit/Source/platform/scroll/Scrollbar.h
diff --git a/third_party/WebKit/Source/platform/scroll/Scrollbar.h b/third_party/WebKit/Source/platform/scroll/Scrollbar.h
index ecb2b7bc61dcf1aeb7f368d621c934cff1c82b5d..b9541884a4334ca91399a4411cc6efe9dd72680f 100644
--- a/third_party/WebKit/Source/platform/scroll/Scrollbar.h
+++ b/third_party/WebKit/Source/platform/scroll/Scrollbar.h
@@ -26,7 +26,6 @@
 #ifndef Scrollbar_h
 #define Scrollbar_h
 
-#include "platform/FrameViewBase.h"
 #include "platform/Timer.h"
 #include "platform/graphics/paint/DisplayItem.h"
 #include "platform/heap/Handle.h"
@@ -37,6 +36,7 @@
 namespace blink {
 
 class CullRect;
+class FrameViewBase;
 class GraphicsContext;
 class IntRect;
 class PlatformChromeClient;
@@ -155,8 +155,8 @@ class PLATFORM_EXPORT Scrollbar : public GarbageCollectedFinalized<Scrollbar>,
 
   ScrollbarTheme& GetTheme() const { return theme_; }
 
-  IntRect ConvertToContainingFrameViewBase(const IntRect&) const;
-  IntPoint ConvertFromContainingFrameViewBase(const IntPoint&) const;
+  IntRect ConvertToContainingFrameView(const IntRect&) const;
+  IntPoint ConvertFromContainingFrameView(const IntPoint&) const;
 
   void MoveThumb(int pos, bool dragging_document = false);