Added the infrastructure for surfaceProxy.onResize() and SurfaceView.onResize()

content/renderer/browser_plugin/browser_plugin.cc

Index: content/renderer/browser_plugin/browser_plugin.cc
diff --git a/content/renderer/browser_plugin/browser_plugin.cc b/content/renderer/browser_plugin/browser_plugin.cc
index 5b4c7f5a128f3c454db4db719759ed2fa5f9516e..81f2fb41f20f50189e274058c403a5c94153143f 100644
--- a/content/renderer/browser_plugin/browser_plugin.cc
+++ b/content/renderer/browser_plugin/browser_plugin.cc
@@ -450,8 +450,10 @@ void BrowserPlugin::updateGeometry(
   int old_height = height();
   plugin_rect_ = window_rect;
   if (!ready_) {
-    if (delegate_)
+    if (delegate_) {
+      delegate_->OnElementResize(gfx::Size(), plugin_size());
       delegate_->Ready();
+    }
     ready_ = true;
   }
   if (!attached())
@@ -464,6 +466,9 @@ void BrowserPlugin::updateGeometry(
     return;
   }
 
+  if (delegate_)
+    delegate_->OnElementResize(gfx::Size(old_width, old_height), plugin_size());
+
   BrowserPluginHostMsg_ResizeGuest_Params params;
   PopulateResizeGuestParameters(plugin_size(), &params);
   BrowserPluginManager::Get()->Send(new BrowserPluginHostMsg_ResizeGuest(