Delegate root layer scroll offset to android_webview.

cc/input/layer_scroll_offset_delegate.h

Index: cc/input/layer_scroll_offset_delegate.h
diff --git a/cc/input/layer_scroll_offset_delegate.h b/cc/input/layer_scroll_offset_delegate.h
index 1431a80d88addb96f7f85ea1cd33af89fe6bd14c..7f2866ff461301973e86962eb66ed2cc363160e6 100644
--- a/cc/input/layer_scroll_offset_delegate.h
+++ b/cc/input/layer_scroll_offset_delegate.h
@@ -5,6 +5,12 @@
 #ifndef CC_INPUT_LAYER_SCROLL_OFFSET_DELEGATE_H_
 #define CC_INPUT_LAYER_SCROLL_OFFSET_DELEGATE_H_
 
+#include "base/basictypes.h"
+
+namespace gfx {
+class Vector2dF;

[jamesr, 2013/05/22 01:28:13]

the functions here accept/return a gfx::Vector2dF by value, so i don't think
having a forward declaration of gfx::Vector2dF can help anyone. adding an
#include of ui/gfx/vector2d_f.h could be helpful, of course

[mkosiba (inactive), 2013/05/22 17:26:17]

yikes! I added the fwd-declare out of habit..

+}
+
 namespace cc {
 
 // The LayerScrollOffsetDelegate allows for the embedder to take ownership of