Turn pageAction.show -> browserAction.sensibleThing.

chrome/common/extensions/icon_transform.cc

Index: chrome/common/extensions/icon_transform.cc
diff --git a/chrome/common/extensions/icon_transform.cc b/chrome/common/extensions/icon_transform.cc
new file mode 100644
index 0000000000000000000000000000000000000000..7c45136e181c9c9f9d65fc1f55a08a9a6c91139a
--- /dev/null
+++ b/chrome/common/extensions/icon_transform.cc
@@ -0,0 +1,40 @@
+// 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/common/extensions/icon_transform.h"
+
+#include "base/logging.h"
+#include "third_party/skia/include/core/SkBitmap.h"
+#include "third_party/skia/include/core/SkCanvas.h"
+#include "third_party/skia/include/core/SkDevice.h"
+#include "third_party/skia/include/core/SkPaint.h"
+
+namespace extensions {
+
+IconTransform::IconTransform() : alpha_(0) {
+}
+
+IconTransform::~IconTransform() {
+}
+
+const SkBitmap& IconTransform::RenderIcon(const SkBitmap& icon) {
+  DCHECK_GT(icon.width(), 0);
+  DCHECK_GT(icon.height(), 0);
+
+  if (!device_.get() ||
+      (device_->width() != icon.width()) ||
+      (device_->height() != icon.height())) {
+    device_.reset(new SkDevice(
+      SkBitmap::kARGB_8888_Config, icon.width(), icon.height(), true));
+  }
+
+  SkCanvas canvas(device_.get());
+  canvas.clear(0);
+  SkPaint paint;
+  paint.setAlpha(alpha_);
+  canvas.drawBitmap(icon, 0, 0, &paint);
+  return device_->accessBitmap(false);
+}
+
+}  // namespace extensions