Show OOM notification bar in all tabs sharing same render process

chrome/browser/renderer_host/browser_render_process_host.cc

 // Copyright (c) 2010 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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "chrome/browser/renderer_host/browser_render_process_host.h"
 
 #include <algorithm>
@@ skipping 981 matching lines @@
       IPC_MESSAGE_HANDLER(ViewHostMsg_ExtensionAddListener,
                           OnExtensionAddListener)
       IPC_MESSAGE_HANDLER(ViewHostMsg_ExtensionRemoveListener,
                           OnExtensionRemoveListener)
       IPC_MESSAGE_HANDLER(ViewHostMsg_ExtensionCloseChannel,
                           OnExtensionCloseChannel)
       IPC_MESSAGE_HANDLER(ViewHostMsg_UserMetricsRecordAction,
                           OnUserMetricsRecordAction)
       IPC_MESSAGE_HANDLER(ViewHostMsg_SpellChecker_RequestDictionary,
                           OnSpellCheckerRequestDictionary)
+      IPC_MESSAGE_HANDLER_DELAY_REPLY(ViewHostMsg_RenderProcessOutOfJSMemory,
+                          OnRenderProcessOutOfJSMemory)
       IPC_MESSAGE_UNHANDLED_ERROR()
     IPC_END_MESSAGE_MAP_EX()
 
     if (!msg_is_ok) {
       // The message had a handler, but its de-serialization failed.
       // We consider this a capital crime. Kill the renderer if we have one.
       ReceivedBadMessage(msg.type());
     }
     return;
   }
@@ skipping 232 matching lines @@
     // it to the renderer.
     InitSpellChecker();
   } else {
     // We may have gotten multiple requests from different renderers. We don't
     // want to initialize multiple times in this case, so we set |force| to
     // false.
     profile()->ReinitializeSpellCheckHost(false);
   }
 }
 
+void BrowserRenderProcessHost::OnRenderProcessOutOfJSMemory(
+    IPC::Message* reply_msg) {
+  Send(reply_msg);
+
+  // Show OOM notification bar in all tabs sharing this render process.
+  IDMap<IPC::Channel::Listener>::iterator iter(&listeners_);
+  while (!iter.IsAtEnd()) {
+    iter.GetCurrentValue()->OnMessageReceived(
+        ViewHostMsg_JSOutOfMemory(iter.GetCurrentKey()));
+    iter.Advance();
+  }
+}
+
 void BrowserRenderProcessHost::AddSpellCheckWord(const std::string& word) {
   Send(new ViewMsg_SpellChecker_WordAdded(word));
 }
 
 void BrowserRenderProcessHost::InitSpellChecker() {
   SpellCheckHost* spellcheck_host = profile()->GetSpellCheckHost();
   if (spellcheck_host) {
     PrefService* prefs = profile()->GetPrefs();
     IPC::PlatformFileForTransit file;
 
@@ skipping 42 matching lines @@
     IPC::PlatformFileForTransit file;
 #if defined(OS_POSIX)
     file = base::FileDescriptor(model_file, false);
 #elif defined(OS_WIN)
     ::DuplicateHandle(::GetCurrentProcess(), model_file, GetHandle(), &file, 0,
                       false, DUPLICATE_SAME_ACCESS);
 #endif
     Send(new ViewMsg_SetPhishingModel(file));
   }
 }