5 files changed, 12 insertions, 2 deletions
diff --git a/ui/gfx/gl/gl_context_cgl.cc b/ui/gfx/gl/gl_context_cgl.cc
index 79fe282..1d5597b 100644
--- a/ui/gfx/gl/gl_context_cgl.cc
+++ b/ui/gfx/gl/gl_context_cgl.cc
@@ -7,6 +7,7 @@
 #include <OpenGL/CGLRenderers.h>
 #include <vector>
 
+#include "base/debug/trace_event.h"
 #include "base/logging.h"
 #include "ui/gfx/gl/gl_bindings.h"
 #include "ui/gfx/gl/gl_implementation.h"
@@ -87,6 +88,7 @@ void GLContextCGL::Destroy() {
 }
 
 bool GLContextCGL::MakeCurrent(GLSurface* surface) {
+  TRACE_EVENT0("gpu", "GLContextCGL::MakeCurrent");
   DCHECK(context_);
   if (IsCurrent(surface))
     return true;
diff --git a/ui/gfx/gl/gl_context_egl.cc b/ui/gfx/gl/gl_context_egl.cc
index 7c94743..1908e30 100644
--- a/ui/gfx/gl/gl_context_egl.cc
+++ b/ui/gfx/gl/gl_context_egl.cc
@@ -1,10 +1,11 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2012 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 "ui/gfx/gl/gl_context_egl.h"
 
 #include "build/build_config.h"
+#include "base/debug/trace_event.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "third_party/angle/include/EGL/egl.h"
@@ -83,6 +84,7 @@ void GLContextEGL::Destroy() {
 }
 
 bool GLContextEGL::MakeCurrent(GLSurface* surface) {
+  TRACE_EVENT0("gpu", "GLContextEGL::MakeCurrent");
   DCHECK(context_);
   if (IsCurrent(surface))
       return true;
diff --git a/ui/gfx/gl/gl_context_glx.cc b/ui/gfx/gl/gl_context_glx.cc
index 8883eb9..166f1d4 100644
--- a/ui/gfx/gl/gl_context_glx.cc
+++ b/ui/gfx/gl/gl_context_glx.cc
@@ -8,6 +8,7 @@ extern "C" {
 
 #include "ui/gfx/gl/gl_context_glx.h"
 
+#include "base/debug/trace_event.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "third_party/mesa/MesaLib/include/GL/osmesa.h"
@@ -151,6 +152,7 @@ void GLContextGLX::Destroy() {
 }
 
 bool GLContextGLX::MakeCurrent(GLSurface* surface) {
+  TRACE_EVENT0("gpu", "GLContextGLX::MakeCurrent");
   DCHECK(context_);
   if (IsCurrent(surface))
     return true;
diff --git a/ui/gfx/gl/gl_context_nsview.mm b/ui/gfx/gl/gl_context_nsview.mm
index 76c456c..03e3c03 100644
--- a/ui/gfx/gl/gl_context_nsview.mm
+++ b/ui/gfx/gl/gl_context_nsview.mm
@@ -9,6 +9,7 @@
 #import <AppKit/NSOpenGL.h>
 #import <AppKit/NSView.h>
 
+#include "base/debug/trace_event.h"
 #include "base/logging.h"
 #include "ui/gfx/gl/gl_surface_nsview.h"
 
@@ -54,6 +55,7 @@ void GLContextNSView::Destroy() {
 }
 
 bool GLContextNSView::MakeCurrent(GLSurface* surface) {
+  TRACE_EVENT0("gpu", "GLContextNSView::MakeCurrent");
   AcceleratedWidget view =
       static_cast<AcceleratedWidget>(surface->GetHandle());
   // Only set the context's view if the view is parented.
diff --git a/ui/gfx/gl/gl_context_wgl.cc b/ui/gfx/gl/gl_context_wgl.cc
index 1785a88..1737146 100644
--- a/ui/gfx/gl/gl_context_wgl.cc
+++ b/ui/gfx/gl/gl_context_wgl.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2012 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.
 
@@ -6,6 +6,7 @@
 
 #include "ui/gfx/gl/gl_context_wgl.h"
 
+#include "base/debug/trace_event.h"
 #include "base/logging.h"
 #include "ui/gfx/gl/gl_bindings.h"
 #include "ui/gfx/gl/gl_implementation.h"
@@ -69,6 +70,7 @@ void GLContextWGL::Destroy() {
 }
 
 bool GLContextWGL::MakeCurrent(GLSurface* surface) {
+  TRACE_EVENT0("gpu", "GLContextWGL::MakeCurrent");
   DCHECK(context_);
   if (IsCurrent(surface))
     return true;