Telemetry: Move TimeoutException from util module to exceptions module.

content/test/gpu/gpu_tests/context_lost.py

 # Copyright (c) 2013 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.
 import os
 import time
 
 import context_lost_expectations
 
 from telemetry import benchmark as benchmark_module
 from telemetry.core import exceptions
@@ skipping 54 matching lines @@
     # Required for about:gpucrash handling from Telemetry.
     options.AppendExtraBrowserArgs('--enable-gpu-benchmarking')
 
   def ValidateAndMeasurePage(self, page, tab, results):
     def WaitForPageToFinish():
       print "Waiting for page to finish."
       try:
         util.WaitFor(lambda: tab.EvaluateJavaScript(
             'window.domAutomationController._finished'), wait_timeout)
         return True
-      except util.TimeoutException:
+      except exceptions.TimeoutException:
         return False
 
     if page.kill_gpu_process:
       # Doing the GPU process kill operation cooperatively -- in the
       # same page's context -- is much more stressful than restarting
       # the browser every time.
       for x in range(page.number_of_gpu_process_kills):
         if not tab.browser.supports_tab_control:
           raise page_test.Failure('Browser must support tab control')
 
@@ skipping 252 matching lines @@
       user_agent_type='desktop',
       serving_dirs=set(['']))
     ps.AddUserStory(GPUProcessCrashesExactlyOnce(ps, ps.base_dir))
     ps.AddUserStory(WebGLContextLostFromGPUProcessExitPage(ps, ps.base_dir))
     ps.AddUserStory(
         WebGLContextLostFromLoseContextExtensionPage(ps, ps.base_dir))
     ps.AddUserStory(WebGLContextLostFromQuantityPage(ps, ps.base_dir))
     ps.AddUserStory(WebGLContextLostFromSelectElementPage(ps, ps.base_dir))
     ps.AddUserStory(WebGLContextLostInHiddenTabPage(ps, ps.base_dir))
     return ps