Add traces in compositor, views and skia

skia/ext/platform_canvas_linux.cc

 // Copyright (c) 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 "skia/ext/platform_canvas.h"
 
+#include "base/debug/trace_event.h"
 #include "skia/ext/bitmap_platform_device.h"
 #include "skia/ext/platform_device.h"
 #include "third_party/skia/include/core/SkTypes.h"
 
 namespace skia {
 
 PlatformCanvas::PlatformCanvas(int width, int height, bool is_opaque) {
+  TRACE_EVENT2("skia", "PlatformCanvas::PlatformCanvas",
+               "width", width, "height", height);
   if (!initialize(width, height, is_opaque))
     SK_CRASH();
 }
 
 PlatformCanvas::PlatformCanvas(int width, int height, bool is_opaque,
                                uint8_t* data) {
+  TRACE_EVENT2("skia", "PlatformCanvas::PlatformCanvas",
+               "width", width, "height", height);
   if (!initialize(width, height, is_opaque, data))
     SK_CRASH();
 }
 
 PlatformCanvas::~PlatformCanvas() {
 }
 
 bool PlatformCanvas::initialize(int width, int height, bool is_opaque,
                                 uint8_t* data) {
   return initializeWithDevice(BitmapPlatformDevice::Create(
       width, height, is_opaque, data));
 }
 
 }  // namespace skia