Add support for multiple icon sizes for Mac platform apps

chrome/browser/ui/gtk/infobars/extension_infobar_gtk.cc

 // 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 "chrome/browser/ui/gtk/infobars/extension_infobar_gtk.h"
 
 #include "base/debug/trace_event.h"
 #include "chrome/browser/extensions/extension_context_menu_model.h"
 #include "chrome/browser/extensions/extension_host.h"
 #include "chrome/browser/platform_util.h"
@@ skipping 45 matching lines @@
                                       double* r, double* g, double* b) {
   // Extension infobars are always drawn with chrome-theme colors.
   *r = *g = *b = 233.0 / 255.0;
 }
 
 void ExtensionInfoBarGtk::GetBottomColor(InfoBarDelegate::Type type,
                                          double* r, double* g, double* b) {
   *r = *g = *b = 218.0 / 255.0;
 }
 
-void ExtensionInfoBarGtk::OnImageLoaded(
-    SkBitmap* image, const ExtensionResource& resource, int index) {
+void ExtensionInfoBarGtk::OnImageLoaded(const gfx::Image& image,
+                                        const std::string& extension_id,
+                                        int index) {
   if (!delegate_)
     return;  // The delegate can go away while we asynchronously load images.
 
   // TODO(erg): IDR_EXTENSIONS_SECTION should have an IDR_INFOBAR_EXTENSIONS
   // icon of the correct size with real subpixel shading and such.
-  SkBitmap* icon = image;
+  const SkBitmap* icon = NULL;
   ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
-  if (!image || image->empty())
+  if (image.IsEmpty())
     icon = rb.GetBitmapNamed(IDR_EXTENSIONS_SECTION);
+  else
+    icon = image.ToSkBitmap();
 
   SkBitmap* drop_image = rb.GetBitmapNamed(IDR_APP_DROPARROW);
 
   int image_size = ExtensionIconSet::EXTENSION_ICON_BITTY;
   // The margin between the extension icon and the drop-down arrow bitmap.
   static const int kDropArrowLeftMargin = 3;
   scoped_ptr<gfx::CanvasSkia> canvas(new gfx::CanvasSkia(
       gfx::Size(image_size + kDropArrowLeftMargin + drop_image->width(),
                 image_size),
       false));
@@ skipping 16 matching lines @@
 
   icon_ = gtk_image_new();
   gtk_misc_set_alignment(GTK_MISC(icon_), 0.5, 0.5);
   gtk_button_set_image(GTK_BUTTON(button_), icon_);
   gtk_util::CenterWidgetInHBox(hbox_, button_, false, 0);
 
   // Start loading the image for the menu button.
   const Extension* extension = delegate_->extension_host()->extension();
   ExtensionResource icon_resource = extension->GetIconResource(
       ExtensionIconSet::EXTENSION_ICON_BITTY, ExtensionIconSet::MATCH_EXACTLY);
-  if (!icon_resource.relative_path().empty()) {
-    // Create a tracker to load the image. It will report back on OnImageLoaded.
-    tracker_.LoadImage(extension, icon_resource,
-                       gfx::Size(ExtensionIconSet::EXTENSION_ICON_BITTY,
-                                 ExtensionIconSet::EXTENSION_ICON_BITTY),
-                       ImageLoadingTracker::DONT_CACHE);
-  } else {
-    OnImageLoaded(NULL, icon_resource, 0);
-  }
+  // Create a tracker to load the image. It will report back on OnImageLoaded.
+  tracker_.LoadImage(extension, icon_resource,
+                     gfx::Size(ExtensionIconSet::EXTENSION_ICON_BITTY,
+                               ExtensionIconSet::EXTENSION_ICON_BITTY),
+                     ImageLoadingTracker::DONT_CACHE);
 
   // Pad the bottom of the infobar by one pixel for the border.
   alignment_ = gtk_alignment_new(0.0, 0.0, 1.0, 1.0);
   gtk_alignment_set_padding(GTK_ALIGNMENT(alignment_), 0, 1, 0, 0);
   gtk_box_pack_start(GTK_BOX(hbox_), alignment_, TRUE, TRUE, 0);
 
   ExtensionHost* extension_host = delegate_->extension_host();
   view_ = extension_host->view();
 
   if (gtk_widget_get_parent(view_->native_view())) {
@@ skipping 66 matching lines @@
   // We also need to draw our infobar arrows over the renderer.
   static_cast<InfoBarContainerGtk*>(container())->
       PaintInfobarBitsOn(sender, event, this);
 
   return FALSE;
 }
 
 InfoBar* ExtensionInfoBarDelegate::CreateInfoBar(InfoBarTabHelper* owner) {
   return new ExtensionInfoBarGtk(owner, this);
 }