Refactored GLContext to own GPUTiming which spawn GPUTimingClients.

gpu/perftests/texture_upload_perftest.cc

Index: gpu/perftests/texture_upload_perftest.cc
diff --git a/gpu/perftests/texture_upload_perftest.cc b/gpu/perftests/texture_upload_perftest.cc
index 2e9ef6cea4346d217eeae515b89db88f9e0cf40f..ec14fd8f2e6d750d3f48b2c1ad01edd6f385e93e 100644
--- a/gpu/perftests/texture_upload_perftest.cc
+++ b/gpu/perftests/texture_upload_perftest.cc
@@ -9,13 +9,13 @@
 #include "base/logging.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
-#include "gpu/command_buffer/service/gpu_timing.h"
 #include "gpu/perftests/measurements.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/gfx/geometry/size.h"
 #include "ui/gl/gl_bindings.h"
 #include "ui/gl/gl_context.h"
 #include "ui/gl/gl_surface.h"
+#include "ui/gl/gpu_timing.h"
 #include "ui/gl/scoped_make_current.h"
 
 namespace gpu {
@@ -121,12 +121,13 @@ class TextureUploadPerfTest : public testing::Test {
               glCheckFramebufferStatusEXT(GL_FRAMEBUFFER));
 
     glViewport(0, 0, size_.width(), size_.height());
+    gpu_timing_.Initialize(gl_context_.get());
+    gpu_timing_client_ = gpu_timing_.CreateGPUTimingClient();
 
-    if (gpu_timing_.Initialize(gl_context_.get())) {
+    if (gpu_timing_client_->IsAvailable()) {
       LOG(INFO) << "Gpu timing initialized with timer type: "
-                << gpu_timing_.GetTimerTypeName();
-      gpu_timing_.CheckAndResetTimerErrors();
-      gpu_timing_.InvalidateTimerOffset();
+                << gpu_timing_client_->GetTimerTypeName();
+      gpu_timing_client_->InvalidateTimerOffset();
     } else {
       LOG(WARNING) << "Can't initialize gpu timing";
     }
@@ -185,10 +186,10 @@ class TextureUploadPerfTest : public testing::Test {
     DCHECK_NE(0u, framebuffer_object_);
     glBindFramebufferEXT(GL_FRAMEBUFFER, framebuffer_object_);
 
-    MeasurementTimers total_timers(&gpu_timing_);
+    MeasurementTimers total_timers(gpu_timing_client_.get());
     GLuint texture_id = 0;
 
-    MeasurementTimers tex_timers(&gpu_timing_);
+    MeasurementTimers tex_timers(gpu_timing_client_.get());
     glActiveTexture(GL_TEXTURE0);
     glGenTextures(1, &texture_id);
     glBindTexture(GL_TEXTURE_2D, texture_id);
@@ -202,7 +203,7 @@ class TextureUploadPerfTest : public testing::Test {
     CheckNoGlError();
     tex_timers.Record();
 
-    MeasurementTimers draw_timers(&gpu_timing_);
+    MeasurementTimers draw_timers(gpu_timing_client_.get());
     glUseProgram(program_object_);
     glUniform1i(sampler_location_, 0);
 
@@ -213,7 +214,7 @@ class TextureUploadPerfTest : public testing::Test {
     glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
     draw_timers.Record();
 
-    MeasurementTimers finish_timers(&gpu_timing_);
+    MeasurementTimers finish_timers(gpu_timing_client_.get());
     glFinish();
     CheckNoGlError();
     finish_timers.Record();
@@ -243,6 +244,7 @@ class TextureUploadPerfTest : public testing::Test {
   scoped_refptr<gfx::GLContext> gl_context_;
   scoped_refptr<gfx::GLSurface> surface_;
   GPUTiming gpu_timing_;
+  scoped_refptr<GPUTimingClient> gpu_timing_client_;
 
   GLuint color_texture_ = 0;
   GLuint framebuffer_object_ = 0;