Implement active wheel fling transfer via WebCompositorInputHandlerClient

content/renderer/render_view_impl.cc

Index: content/renderer/render_view_impl.cc
diff --git a/content/renderer/render_view_impl.cc b/content/renderer/render_view_impl.cc
index 70f11bda9b3b92550ea01519e6380e66d7d04345..d6c7cc4ad9fb70ab5983c1fbf8b919647c58c9d3 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -2070,6 +2070,17 @@ bool RenderViewImpl::isPointerLocked() {
       webwidget_mouse_lock_target_.get());
 }
 
+void RenderViewImpl::didActivateCompositor(int input_handler_identifier)
+{

[darin (slow to review), 2012/03/27 03:47:54]

nit: opening bracket on previous line

+  CompositorThread* compositor_thread =
+      RenderThreadImpl::current()->compositor_thread();
+  if (compositor_thread)
+    compositor_thread->AddInputHandler(
+        routing_id_, input_handler_identifier, AsWeakPtr());
+
+  RenderWidget::didActivateCompositor(input_handler_identifier);
+}
+
 // WebKit::WebFrameClient -----------------------------------------------------
 
 WebPlugin* RenderViewImpl::createPlugin(WebFrame* frame,