Remove crash instrumentation, since we haven't seen a crash in

cc/resource_update_controller.cc

 // Copyright 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 "cc/resource_update_controller.h"
 
 #include "base/debug/trace_event.h"
 #include "cc/prioritized_resource.h"
 #include "cc/resource_provider.h"
 #include "cc/texture_copier.h"
@@ skipping 199 matching lines @@
         // here into the compositor context before letting the main thread
         // proceed as it may make draw calls to the source texture of one of
         // our copy operations.
         copier->flush();
     }
 }
 
 void ResourceUpdateController::onTimerFired()
 {
     m_taskPosted = false;
-    ResourceProvider::debugNotifyEnterZone(0xB000000);
     if (!updateMoreTexturesIfEnoughTimeRemaining())
         m_client->readyToFinalizeTextureUpdates();
-    ResourceProvider::debugNotifyLeaveZone();
 }
 
 base::TimeTicks ResourceUpdateController::now() const
 {
     return base::TimeTicks::Now();
 }
 
 base::TimeDelta ResourceUpdateController::updateMoreTexturesTime() const
 {
     return base::TimeDelta::FromMilliseconds(textureUpdateTickRate * 1000);
@@ skipping 52 matching lines @@
     if (!uploads)
         return;
 
     while (m_queue->fullUploadSize() && uploads--)
         updateTexture(m_queue->takeFirstFullUpload());
 
     m_resourceProvider->flushUploads();
 }
 
 }  // namespace cc