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

chrome/browser/extensions/extension_icon_manager.cc

Index: chrome/browser/extensions/extension_icon_manager.cc
diff --git a/chrome/browser/extensions/extension_icon_manager.cc b/chrome/browser/extensions/extension_icon_manager.cc
index 8227e03afad6b05db3bf0752e62bf7c33363d098..37d17fea6c47ade65fd5c521fc656579792ebba7 100644
--- a/chrome/browser/extensions/extension_icon_manager.cc
+++ b/chrome/browser/extensions/extension_icon_manager.cc
@@ -25,10 +25,9 @@ namespace {
 // around the original bitmap.
 static SkBitmap ApplyPadding(const SkBitmap& source,
                              const gfx::Insets& padding) {
-  scoped_ptr<gfx::CanvasSkia> result(
-      new gfx::CanvasSkia(gfx::Size(source.width() + padding.width(),
-                                    source.height() + padding.height()),
-                          false));
+  scoped_ptr<gfx::Canvas> result(
+      new gfx::Canvas(gfx::Size(source.width() + padding.width(),
+                                source.height() + padding.height()), false));
   result->DrawBitmapInt(
       source,
       0, 0, source.width(), source.height(),