Hooking up setBackgroundColor from AwContents to render process

android_webview/renderer/aw_render_view_ext.cc

Index: android_webview/renderer/aw_render_view_ext.cc
diff --git a/android_webview/renderer/aw_render_view_ext.cc b/android_webview/renderer/aw_render_view_ext.cc
index ddc6f5672315022223faeb0331e2545372aa3d51..66e5233c67c9103bfa58a80b05a03d90d71a5ff6 100644
--- a/android_webview/renderer/aw_render_view_ext.cc
+++ b/android_webview/renderer/aw_render_view_ext.cc
@@ -155,6 +155,7 @@ bool AwRenderViewExt::OnMessageReceived(const IPC::Message& message) {
     IPC_MESSAGE_HANDLER(AwViewMsg_ResetScrollAndScaleState,
                         OnResetScrollAndScaleState)
     IPC_MESSAGE_HANDLER(AwViewMsg_SetInitialPageScale, OnSetInitialPageScale)
+    IPC_MESSAGE_HANDLER(AwViewMsg_SetBackgroundColor, OnSetBackgroundColor)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
@@ -283,4 +284,11 @@ void AwRenderViewExt::OnSetInitialPageScale(double page_scale_factor) {
       page_scale_factor);
 }
 
+void AwRenderViewExt::OnSetBackgroundColor(SkColor c) {
+  if (!render_view() || !render_view()->GetWebView())
+    return;
+  // TODO(joth): Uncomment when crrev.com/19883002/ has rolled in.
+  // render_view()->GetWebView()->setBaseBackgroundColor(c);
+}
+
 }  // namespace android_webview