Add a command line flag for dumping trace events to VLOG

cc/test/layer_tree_test.cc

 // 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.
 
 #include "cc/test/layer_tree_test.h"
 
 #include "base/command_line.h"
 #include "cc/animation/animation.h"
 #include "cc/animation/animation_registrar.h"
 #include "cc/animation/layer_animation_controller.h"
 #include "cc/animation/timing_function.h"
+#include "cc/base/switches.h"
 #include "cc/base/thread_impl.h"
 #include "cc/input/input_handler.h"
 #include "cc/layers/content_layer.h"
 #include "cc/layers/layer.h"
 #include "cc/layers/layer_impl.h"
 #include "cc/test/animation_test_common.h"
 #include "cc/test/fake_layer_tree_host_client.h"
 #include "cc/test/fake_output_surface.h"
 #include "cc/test/occlusion_tracker_test_common.h"
 #include "cc/test/tiled_layer_test_common.h"
@@ skipping 284 matching lines @@
       started_(false),
       ended_(false),
       timeout_seconds_(0),
       impl_thread_(NULL),
       weak_factory_(this) {
   main_thread_weak_ptr_ = weak_factory_.GetWeakPtr();
 
   // Tests should timeout quickly unless --cc-layer-tree-test-no-timeout was
   // specified (for running in a debugger).
   CommandLine* command_line = CommandLine::ForCurrentProcess();
-  if (!command_line->HasSwitch("cc-layer-tree-test-no-timeout"))
+  if (!command_line->HasSwitch(switches::kCCLayerTreeTestNoTimeout))
     timeout_seconds_ = 5;
 }
 
 LayerTreeTest::~LayerTreeTest() {}
 
 void LayerTreeTest::EndTest() {
   // For the case where we EndTest during BeginTest(), set a flag to indicate
   // that the test should end the second BeginTest regains control.
   if (beginning_) {
     end_when_begin_returns_ = true;
@@ skipping 211 matching lines @@
   }
 
   schedule_when_set_visible_true_ = false;
   base::TimeTicks now = base::TimeTicks::Now();
   layer_tree_host_->UpdateAnimations(now);
   layer_tree_host_->Composite(now);
 }
 
 void LayerTreeTest::RunTest(bool threaded) {
   if (threaded) {
-    impl_thread_.reset(new base::Thread("LayerTreeTest"));
+    impl_thread_.reset(new base::Thread("Compositor"));
     ASSERT_TRUE(impl_thread_->Start());
   }
 
   main_ccthread_ = cc::ThreadImpl::CreateForCurrentThread();
 
   // Spend less time waiting for vsync because the output is mocked out.
   settings_.refresh_rate = 200.0;
   InitializeSettings(&settings_);
 
   main_ccthread_->PostTask(
@@ skipping 16 matching lines @@
   ASSERT_FALSE(layer_tree_host_.get());
   client_.reset();
   if (timed_out_) {
     FAIL() << "Test timed out";
     return;
   }
   AfterTest();
 }
 
 }  // namespace cc