Remove Chrome Frame code and resources.

chrome_frame/pin_module.h

Index: chrome_frame/pin_module.h
diff --git a/chrome_frame/pin_module.h b/chrome_frame/pin_module.h
deleted file mode 100644
index 8b4b4e8bd536b62f3c855abf660ea108a91a3bc5..0000000000000000000000000000000000000000
--- a/chrome_frame/pin_module.h
+++ /dev/null
@@ -1,21 +0,0 @@
-// Copyright 2013 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.
-
-#ifndef CHROME_FRAME_PIN_MODULE_H_
-#define CHROME_FRAME_PIN_MODULE_H_
-
-namespace chrome_frame {
-
-typedef void (*PinModuleCallbackFn)(void);
-
-// Sets a callback function to be invoked when the module is pinned.
-void SetPinModuleCallback(PinModuleCallbackFn callback);
-
-// Utility function that prevents the current module from ever being unloaded.
-// Call if you make irreversible patches.
-void PinModule();
-
-}  // namespace chrome_frame
-
-#endif  // CHROME_FRAME_PIN_MODULE_H_