Fix WebViewPlugin::scheduleAnimation crash

content/renderer/pepper/pepper_plugin_instance_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/renderer/pepper/pepper_plugin_instance_impl.h"
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/logging.h"
 #include "base/memory/linked_ptr.h"
@@ skipping 681 matching lines @@
   }
   // Ensure we don't attempt to call functions on the destroyed instance.
   original_instance_interface_.reset();
   instance_interface_.reset();
 
   if (fullscreen_container_) {
     fullscreen_container_->Destroy();
     fullscreen_container_ = NULL;
   }
 
+  throttler_.reset();
+
   // Force-unbind any Graphics. In the case of Graphics2D, if the plugin
   // leaks the graphics 2D, it may actually get cleaned up after our
   // destruction, so we need its pointers to be up-to-date.
   BindGraphics(pp_instance(), 0);
   container_ = NULL;
 }
 
 bool PepperPluginInstanceImpl::is_deleted() const { return is_deleted_; }
 
 void PepperPluginInstanceImpl::Paint(WebCanvas* canvas,
@@ skipping 2630 matching lines @@
 
 void PepperPluginInstanceImpl::RecordFlashJavaScriptUse() {
   if (initialized_ && !javascript_used_ && is_flash_plugin_) {
     javascript_used_ = true;
     RenderThread::Get()->RecordAction(
         base::UserMetricsAction("Flash.JavaScriptUsed"));
   }
 }
 
 }  // namespace content