Force time elapsed queries on certain drivers.

gpu/command_buffer/service/gpu_tracer_unittest.cc

 // 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.
 
 #include <stdint.h>
 
 #include "base/bind.h"
 #include "gpu/command_buffer/service/gles2_cmd_decoder_mock.h"
 #include "gpu/command_buffer/service/gpu_service_test.h"
 #include "gpu/command_buffer/service/gpu_tracer.h"
@@ skipping 256 matching lines @@
                                       base::Time::kNanosecondsPerMicrosecond);
     g_fakeCPUTime = expect_end_time - 1;
     if (tracing_device)
       EXPECT_FALSE(trace->IsAvailable());
 
     // Now it should be available
     gl_fake_queries_.SetCurrentGLTime(end_timestamp);
     g_fakeCPUTime = expect_end_time;
     EXPECT_TRUE(trace->IsAvailable());
 
-    // Proces should output expected Trace results to MockOutputter
+    // Process should output expected Trace results to MockOutputter
     trace->Process();
 
     // Destroy trace after we are done.
     trace->Destroy(true);
 
     outputter_ref_ = NULL;
   }
 };
 
 class GpuARBTimerTraceTest : public BaseGpuTraceTest {
@@ skipping 516 matching lines @@
   scoped_refptr<gfx::GPUTimingClient>  client3 =
       GetGLContext()->CreateGPUTimingClient();
   ASSERT_TRUE(client1->CheckAndResetTimerErrors());
   ASSERT_TRUE(client2->CheckAndResetTimerErrors());
   ASSERT_FALSE(client3->CheckAndResetTimerErrors());
 }
 
 }  // namespace
 }  // namespace gles2
 }  // namespace gpu