cc: Remove all remaining use of WebCore Rect/Point/Size types from the compositor.

cc/scrollbar_geometry_fixed_thumb.cc

Index: cc/scrollbar_geometry_fixed_thumb.cc
diff --git a/cc/scrollbar_geometry_fixed_thumb.cc b/cc/scrollbar_geometry_fixed_thumb.cc
index cbf0adb4d4948c16901e0c31e0ccb0efe13a980a..13a9678fc2c601c8b366ddba908820ba1462d71f 100644
--- a/cc/scrollbar_geometry_fixed_thumb.cc
+++ b/cc/scrollbar_geometry_fixed_thumb.cc
@@ -30,9 +30,9 @@ void ScrollbarGeometryFixedThumb::update(WebScrollbar* scrollbar)
     int length = ScrollbarGeometryStub::thumbLength(scrollbar);
 
     if (scrollbar->orientation() == WebScrollbar::Horizontal)
-        m_thumbSize = IntSize(length, scrollbar->size().height);
+        m_thumbSize = gfx::Size(length, scrollbar->size().height);
     else
-        m_thumbSize = IntSize(scrollbar->size().width, length);
+        m_thumbSize = gfx::Size(scrollbar->size().width, length);
 }
 
 WebScrollbarThemeGeometry* ScrollbarGeometryFixedThumb::clone() const