Add a hang monitor for Pepper plugins

content/browser/web_contents/web_contents_impl.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/web_contents/web_contents_impl.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/metrics/histogram.h"
@@ skipping 558 matching lines @@
     IPC_MESSAGE_HANDLER(ViewHostMsg_JSOutOfMemory, OnJSOutOfMemory)
     IPC_MESSAGE_HANDLER(ViewHostMsg_RegisterProtocolHandler,
                         OnRegisterProtocolHandler)
     IPC_MESSAGE_HANDLER(ViewHostMsg_Find_Reply, OnFindReply)
     IPC_MESSAGE_HANDLER(ViewHostMsg_CrashedPlugin, OnCrashedPlugin)
     IPC_MESSAGE_HANDLER(ViewHostMsg_AppCacheAccessed, OnAppCacheAccessed)
     IPC_MESSAGE_HANDLER(ViewHostMsg_OpenColorChooser, OnOpenColorChooser)
     IPC_MESSAGE_HANDLER(ViewHostMsg_EndColorChooser, OnEndColorChooser)
     IPC_MESSAGE_HANDLER(ViewHostMsg_SetSelectedColorInColorChooser,
                         OnSetSelectedColorInColorChooser)
+    IPC_MESSAGE_HANDLER(ViewHostMsg_PepperPluginHung, OnPepperPluginHung)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP_EX()
 
   if (!message_is_ok) {
     content::RecordAction(UserMetricsAction("BadMessageTerminate_RVD"));
     GetRenderProcessHost()->ReceivedBadMessage();
   }
 
   return handled;
 }
@@ skipping 1175 matching lines @@
     color_chooser_->End();
 }
 
 void WebContentsImpl::OnSetSelectedColorInColorChooser(int color_chooser_id,
                                                        const SkColor& color) {
   if (color_chooser_ &&
       color_chooser_id == color_chooser_->identifier())
     color_chooser_->SetSelectedColor(color);
 }
 
+void TabContents::OnPepperPluginHung(int plugin_child_id,
+                                     const FilePath& path,
+                                     bool is_hung) {
+  if (delegate_)
+    delegate_->PluginHungStatusChanged(this, plugin_child_id, path, is_hung);
+}
+
 // Notifies the RenderWidgetHost instance about the fact that the page is
 // loading, or done loading and calls the base implementation.
 void WebContentsImpl::SetIsLoading(bool is_loading,
                                    LoadNotificationDetails* details) {
   if (is_loading == is_loading_)
     return;
 
   if (!is_loading) {
     load_state_ = net::LoadStateWithParam(net::LOAD_STATE_IDLE, string16());
     load_state_host_.clear();
@@ skipping 831 matching lines @@
 void WebContentsImpl::CreateViewAndSetSizeForRVH(RenderViewHost* rvh) {
   RenderWidgetHostView* rwh_view = GetView()->CreateViewForWidget(rvh);
   // Can be NULL during tests.
   if (rwh_view)
     rwh_view->SetSize(GetView()->GetContainerSize());
 }
 
 RenderViewHostImpl* WebContentsImpl::GetRenderViewHostImpl() {
   return static_cast<RenderViewHostImpl*>(GetRenderViewHost());
 }