[WebGL-chromium]Test to validate glinfo when webglcontext fails.

content/shell/renderer/test_runner/test_runner.h

 // Copyright 2014 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.
 
 #ifndef CONTENT_SHELL_RENDERER_TEST_RUNNER_TEST_RUNNER_H_
 #define CONTENT_SHELL_RENDERER_TEST_RUNNER_TEST_RUNNER_H_
 
 #include <deque>
 #include <set>
 #include <string>
@@ skipping 573 matching lines @@
 
   void DidAcquirePointerLockInternal();
   void DidNotAcquirePointerLockInternal();
   void DidLosePointerLockInternal();
 
   // In the Mac code, this is called to trigger the end of a test after the
   // page has finished loading. From here, we can generate the dump for the
   // test.
   void LocationChangeDone();
 
+  // Sets a flag causing the next call to WebGLRenderingContext::create to fail.
+  void ForceNextWebGLContextCreationToFail();
+
   bool test_is_running_;
 
   // When reset is called, go through and close all but the main test shell
   // window. By default, set to true but toggled to false using
   // setCloseRemainingWindowsWhenComplete().
   bool close_remaining_windows_;
 
   // If true, don't dump output until notifyDone is called.
   bool wait_until_done_;
 
@@ skipping 174 matching lines @@
   bool use_mock_theme_;
 
   base::WeakPtrFactory<TestRunner> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(TestRunner);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_SHELL_RENDERER_TEST_RUNNER_TEST_RUNNER_H_