Show OOM notification bar in all tabs sharing same render process

webkit/glue/webkitclient_impl.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.
 
 #include "webkit/glue/webkitclient_impl.h"
 
 #if defined(OS_LINUX)
 #include <malloc.h>
 #endif
 
 #include <math.h>
 
 #include <vector>
 
 #include "base/debug/trace_event.h"
 #include "base/lock.h"
 #include "base/message_loop.h"
 #include "base/metrics/stats_counters.h"
 #include "base/metrics/histogram.h"
 #include "base/process_util.h"
 #include "base/platform_file.h"
 #include "base/singleton.h"
 #include "base/string_number_conversions.h"
 #include "base/string_util.h"
 #include "base/time.h"
 #include "base/utf_string_conversions.h"
+#include "chrome/common/render_messages.h"
+#include "chrome/renderer/render_thread.h"
 #include "grit/webkit_resources.h"
 #include "grit/webkit_strings.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebCookie.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebData.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFrameClient.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebPluginListBuilder.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebScreenInfo.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebString.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebVector.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebURL.h"
@@ skipping 396 matching lines @@
 }
 
 void WebKitClientImpl::stopSharedTimer() {
   shared_timer_.Stop();
 }
 
 void WebKitClientImpl::callOnMainThread(void (*func)(void*), void* context) {
   main_loop_->PostTask(FROM_HERE, NewRunnableFunction(func, context));
 }
 
+void WebKitClientImpl::notifyJSOutOfMemory() {
+  RenderThread::current()->Send(new ViewHostMsg_RenderProcessOutOfJSMemory());
+}
+
 base::PlatformFile WebKitClientImpl::databaseOpenFile(
     const WebKit::WebString& vfs_file_name, int desired_flags) {
   return base::kInvalidPlatformFileValue;
 }
 
 int WebKitClientImpl::databaseDeleteFile(
     const WebKit::WebString& vfs_file_name, bool sync_dir) {
   return -1;
 }
 
@@ skipping 86 matching lines @@
   ++shared_timer_suspended_;
 }
 
 void WebKitClientImpl::ResumeSharedTimer() {
   // The shared timer may have fired or been adjusted while we were suspended.
   if (--shared_timer_suspended_ == 0 && !shared_timer_.IsRunning())
     setSharedTimerFireTime(shared_timer_fire_time_);
 }
 
 }  // namespace webkit_glue