Send live resize messages to renderer

content/renderer/render_view.cc

Index: content/renderer/render_view.cc
diff --git a/content/renderer/render_view.cc b/content/renderer/render_view.cc
index 63c36b4f21837c3273be066e88f452dd857feadf..851a9262b70c6c4a832c41fcd19a949efc184fd5 100644
--- a/content/renderer/render_view.cc
+++ b/content/renderer/render_view.cc
@@ -674,6 +674,9 @@ bool RenderView::OnMessageReceived(const IPC::Message& message) {
 #if defined(ENABLE_FLAPPER_HACKS)
     IPC_MESSAGE_HANDLER(PepperMsg_ConnectTcpACK, OnConnectTcpACK)
 #endif
+#if defined(OS_MACOSX)
+    IPC_MESSAGE_HANDLER(ViewMsg_SetInLiveResize, OnSetInLiveResize)
+#endif
 
     // Have the super handle all other messages.
     IPC_MESSAGE_UNHANDLED(handled = RenderWidget::OnMessageReceived(message))
@@ -908,6 +911,17 @@ void RenderView::OnSetInitialFocus(bool reverse) {
   webview()->setInitialFocus(reverse);
 }
 
+#if defined(OS_MACOSX)
+void RenderView::OnSetInLiveResize(bool in_live_resize) {
+    if (!webview())
+        return;
+    if (in_live_resize)
+        webview()->willStartLiveResize();
+    else
+        webview()->willEndLiveResize();
+}
+#endif
+
 void RenderView::OnScrollFocusedEditableNodeIntoView() {
   WebKit::WebNode node = GetFocusedNode();
   if (!node.isNull()) {