ui/gfx: Rename almost all entries from gfx::CanvasSkia to gfx::Canvas.

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

Index: chrome/browser/ui/gtk/infobars/extension_infobar_gtk.cc
diff --git a/chrome/browser/ui/gtk/infobars/extension_infobar_gtk.cc b/chrome/browser/ui/gtk/infobars/extension_infobar_gtk.cc
index 43c34916cb389da8602f6c3b2d4e45d63011100d..704cf6f19e65aa49a74975790a699fd8492008cb 100644
--- a/chrome/browser/ui/gtk/infobars/extension_infobar_gtk.cc
+++ b/chrome/browser/ui/gtk/infobars/extension_infobar_gtk.cc
@@ -83,10 +83,9 @@ void ExtensionInfoBarGtk::OnImageLoaded(const gfx::Image& image,
   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(
+  scoped_ptr<gfx::Canvas> canvas(new gfx::Canvas(
       gfx::Size(image_size + kDropArrowLeftMargin + drop_image->width(),
-                image_size),
-      false));
+                image_size), false));
   canvas->DrawBitmapInt(*icon, 0, 0, icon->width(), icon->height(), 0, 0,
                         image_size, image_size, false);
   canvas->DrawBitmapInt(*drop_image, image_size + kDropArrowLeftMargin,