Change browser/page action default icon defined in manifest to support hidpi.

chrome/browser/extensions/image_loading_tracker.cc

Index: chrome/browser/extensions/image_loading_tracker.cc
diff --git a/chrome/browser/extensions/image_loading_tracker.cc b/chrome/browser/extensions/image_loading_tracker.cc
index e6c88913b8b7db189dccee2776be7f83f3feca16..7eda91d00da08d728baf9091b76d7dd2a0168664 100644
--- a/chrome/browser/extensions/image_loading_tracker.cc
+++ b/chrome/browser/extensions/image_loading_tracker.cc
@@ -178,6 +178,7 @@ class ImageLoadingTracker::ImageLoader
   void LoadResource(const ImageRepresentation& image_info,
                     int id,
                     int resource_id) {
+LOG(ERROR) << "post load job to file thread";
     DCHECK(BrowserThread::CurrentlyOn(callback_thread_id_));
     BrowserThread::PostTask(
         BrowserThread::FILE, FROM_HERE,
@@ -199,6 +200,7 @@ class ImageLoadingTracker::ImageLoader
                   const gfx::Size& original_size, int id, bool delete_bitmap) {
     DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
 
+LOG(ERROR) << "post load job resp to calling thread";
     BrowserThread::PostTask(
         callback_thread_id_, FROM_HERE,
         base::Bind(&ImageLoader::ReportOnCallingThread, this,
@@ -211,7 +213,7 @@ class ImageLoadingTracker::ImageLoader
                              int id,
                              bool delete_bitmap) {
     DCHECK(BrowserThread::CurrentlyOn(callback_thread_id_));
-
+LOG(ERROR) << "OnBitmapLoaded";
     if (tracker_)
       tracker_->OnBitmapLoaded(bitmap, image_info, original_size, id, true);
 
@@ -378,7 +380,7 @@ void ImageLoadingTracker::OnBitmapLoaded(
     }
 
     load_map_.erase(load_map_it);
-
+LOG(ERROR) << "on image loaded";
     // ImageLoadingTracker might be deleted after the callback so don't do
     // anything after this statement.
     observer_->OnImageLoaded(image, extension_id, id);