Deliver IPC messages together with SwapCompositorFrame

content/browser/web_contents/web_contents_impl.cc

Index: content/browser/web_contents/web_contents_impl.cc
diff --git a/content/browser/web_contents/web_contents_impl.cc b/content/browser/web_contents/web_contents_impl.cc
index b27d4c18054559bae0f200ac560483fec23d364b..3fb6d5049054d4252ec4d9817bbbd754e970daf9 100644
--- a/content/browser/web_contents/web_contents_impl.cc
+++ b/content/browser/web_contents/web_contents_impl.cc
@@ -1294,6 +1294,16 @@ gfx::NativeViewAccessible WebContentsImpl::GetParentNativeViewAccessible() {
 }
 #endif
 
+void WebContentsImpl::DispatchMessageWithSwapFrame(const IPC::Message&) {

[mkosiba (inactive), 2014/05/06 22:30:33]

the web contents would just re-broadcast to all of the observers

+  ObserverListBase<WebContentsObserver>::Iterator it(observers_);
+  WebContentsObserver* observer;
+  while ((observer = it.GetNext()) != NULL) {
+    // Would it be better to just call observer->OnMessageReceived?
+    if (observer->DispatchMessageWithSwapFrame(message))
+      return true;
+  }
+}
+
 void WebContentsImpl::HandleMouseDown() {
   if (delegate_)
     delegate_->HandleMouseDown();
@@ -2843,8 +2853,6 @@ void WebContentsImpl::OnMediaPausedNotification(int64 player_cookie) {
 }
 
 void WebContentsImpl::OnFirstVisuallyNonEmptyPaint(int32 page_id) {
-  FOR_EACH_OBSERVER(WebContentsObserver, observers_,
-                    DidFirstVisuallyNonEmptyPaint(page_id));
 }
 
 void WebContentsImpl::DidChangeVisibleSSLState() {
@@ -3865,6 +3873,17 @@ bool WebContentsImpl::IsHidden() {
   return capturer_count_ == 0 && !should_normally_be_visible_;
 }
 
+void WebContentsImpl::WidgetVisibleStateChanged(
+      int32 page_id,
+      WidgetVisibleState widget_visible_state) {
+  if (widget_visible_state ==
+      WIDGET_VISIBLE_STATE_FIRST_VISUALLY_NON_EMPTY_LAYOUT) {
+    FOR_EACH_OBSERVER(WebContentsObserver,
+                      observers_,
+                      DidFirstVisuallyNonEmptyPaint(page_id));
+  }
+}
+
 RenderFrameHostManager* WebContentsImpl::GetRenderManager() const {
   return frame_tree_.root()->render_manager();
 }