cc: Allow command line flag to prevent unit test timeouts.

cc/test/layer_tree_test.h

 // Copyright 2011 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 CC_TEST_LAYER_TREE_TEST_COMMON_H_
 #define CC_TEST_LAYER_TREE_TEST_COMMON_H_
 
 #include "base/memory/ref_counted.h"
 #include "base/threading/thread.h"
 #include "cc/base/thread.h"
@@ skipping 138 matching lines @@
   scoped_ptr<LayerTreeHost> layer_tree_host_;
 
   bool beginning_;
   bool end_when_begin_returns_;
   bool timed_out_;
   bool scheduled_;
   bool schedule_when_set_visible_true_;
   bool started_;
   bool ended_;
 
+  int timeout_seconds_;
+
   scoped_ptr<Thread> main_ccthread_;
   scoped_ptr<base::Thread> impl_thread_;
   base::CancelableClosure timeout_;
   base::WeakPtr<LayerTreeTest> main_thread_weak_ptr_;
   base::WeakPtrFactory<LayerTreeTest> weak_factory_;
 };
 
 }  // namespace cc
 
 #define SINGLE_THREAD_TEST_F(TEST_FIXTURE_NAME) \
   TEST_F(TEST_FIXTURE_NAME, RunSingleThread) {  \
     RunTest(false);                             \
   }
 
 #define MULTI_THREAD_TEST_F(TEST_FIXTURE_NAME)  \
   TEST_F(TEST_FIXTURE_NAME, RunMultiThread) {   \
     RunTest(true);                              \
   }
 
 #define SINGLE_AND_MULTI_THREAD_TEST_F(TEST_FIXTURE_NAME) \
   SINGLE_THREAD_TEST_F(TEST_FIXTURE_NAME)                 \
   MULTI_THREAD_TEST_F(TEST_FIXTURE_NAME)
 
 #endif  // CC_TEST_LAYER_TREE_TEST_COMMON_H_