Adds the picture width and height to record and raster trace events used by the picture pile to help

cc/picture.cc

 // Copyright 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 "base/debug/trace_event.h"
 #include "cc/content_layer_client.h"
 #include "cc/picture.h"
 #include "cc/rendering_stats.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "third_party/skia/include/core/SkData.h"
@@ skipping 30 matching lines @@
 scoped_refptr<Picture> Picture::Clone() const {
   // SkPicture is not thread-safe to rasterize with, so return a thread-safe
   // clone of it.
   DCHECK(picture_);
   skia::RefPtr<SkPicture> clone = skia::AdoptRef(picture_->clone());
   return make_scoped_refptr(new Picture(clone, layer_rect_, opaque_rect_));
 }
 
 void Picture::Record(ContentLayerClient* painter,
                      RenderingStats& stats) {
-  TRACE_EVENT0("cc", "Picture::Record");
+  TRACE_EVENT2("cc", "Picture::Record",
+               "width", layer_rect_.width(), "height", layer_rect_.height());
 
   // Record() should only be called once.
   DCHECK(!picture_);
   picture_ = skia::AdoptRef(new SkPicture);
 
   // TODO(enne): Use SkPicture::kOptimizeForClippedPlayback_RecordingFlag
   // once http://code.google.com/p/skia/issues/detail?id=1014 is fixed.
   SkCanvas* canvas = picture_->beginRecording(
       layer_rect_.width(),
       layer_rect_.height(),
@@ skipping 24 matching lines @@
   canvas->restore();
   picture_->endRecording();
 
   opaque_rect_ = gfx::ToEnclosedRect(opaque_layer_rect);
 }
 
 void Picture::Raster(
     SkCanvas* canvas,
     gfx::Rect content_rect,
     float contents_scale) {
-  TRACE_EVENT0("cc", "Picture::Raster");
+  TRACE_EVENT2("cc", "Picture::Raster",
+               "width", layer_rect_.width(), "height", layer_rect_.height());
   DCHECK(picture_);
 
   canvas->save();
   canvas->clipRect(gfx::RectToSkRect(content_rect));
   canvas->scale(contents_scale, contents_scale);
   canvas->translate(layer_rect_.x(), layer_rect_.y());
   canvas->drawPicture(*picture_);
   canvas->restore();
 }
 
@@ skipping 19 matching lines @@
     if (*refs && (*refs)->getURI() && !strncmp(
         (*refs)->getURI(), labelLazyDecoded, 4)) {
       result.push_back(static_cast<skia::LazyPixelRef*>(*refs));
     }
     refs++;
   }
   pixel_refs->unref();
 }
 
 }  // namespace cc