V8 Sampling Profiler: Support sampling on Windows.

content/renderer/devtools/v8_sampling_profiler_browsertest.cc

 // Copyright (c) 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.
 
 #include "base/json/json_reader.h"
 #include "base/run_loop.h"
 #include "base/trace_event/trace_event.h"
 #include "content/public/test/render_view_test.h"
 #include "content/renderer/devtools/v8_sampling_profiler.h"
 
@@ skipping 101 matching lines @@
   }
 
   scoped_ptr<V8SamplingProfiler> sampling_profiler_;
   base::Lock lock_;
 
   ListValue trace_parsed_;
   TraceResultBuffer trace_buffer_;
   TraceResultBuffer::SimpleOutput json_output_;
 };
 
-// TODO(alph): Implement on Windows, Android and non-x86.
-// The SamplingEventForTesting is fired when the framework collected at
-// least one JitCodeAdded event and one sample event.
-
-#if defined(OS_WIN)
-#define MAYBE(x) DISABLED_##x
-#else
-#define MAYBE(x) x
-#endif
-
-TEST_F(V8SamplingProfilerTest, MAYBE(V8SamplingEventFired)) {
+TEST_F(V8SamplingProfilerTest, V8SamplingEventFired) {
   sampling_profiler_->EnableSamplingEventForTesting(0, 0);
   TraceLog::GetInstance()->SetEnabled(
       CategoryFilter(TRACE_DISABLED_BY_DEFAULT("v8.cpu_profile")),
       TraceLog::RECORDING_MODE, TraceOptions());
   base::RunLoop().RunUntilIdle();
   sampling_profiler_->WaitSamplingEventForTesting();
   TraceLog::GetInstance()->SetDisabled();
 }
 
-TEST_F(V8SamplingProfilerTest, MAYBE(V8SamplingJitCodeEventsCollected)) {
+TEST_F(V8SamplingProfilerTest, V8SamplingJitCodeEventsCollected) {
   CollectTrace(1, 0);
   int jit_code_added_events_count = CountEvents("JitCodeAdded");
   CHECK_LT(0, jit_code_added_events_count);
   base::RunLoop().RunUntilIdle();
 }
 
-TEST_F(V8SamplingProfilerTest, MAYBE(V8SamplingSamplesCollected)) {
+TEST_F(V8SamplingProfilerTest, V8SamplingSamplesCollected) {
   CollectTrace(0, 1);
   int sample_events_count = CountEvents("V8Sample");
   CHECK_LT(0, sample_events_count);
   base::RunLoop().RunUntilIdle();
 }
 
 }  // namespace content