Functions to return locations of various Chrome bundles.

base/mac/bundle_locations.h

Index: base/mac/bundle_locations.h
diff --git a/base/mac/bundle_locations.h b/base/mac/bundle_locations.h
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+// 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.
+
+#ifndef BASE_MAC_BUNDLE_LOCATIONS_H_
+#define BASE_MAC_BUNDLE_LOCATIONS_H_
+#pragma once
+
+#include "base/base_export.h"
+#include "base/file_path.h"
+
+#if defined(__OBJC__)
+#import <Foundation/Foundation.h>
+#else  // __OBJC__
+class NSBundle;
+class NSString;
+#endif  // __OBJC__
+
+class FilePath;
+
+namespace base {
+namespace mac {
+
+// This file provides several functions to explicitly request the various
+// component bundles of Chrome.  Please use these methods rather than calling
+// +[NSBundle mainBundle] or CFBundleGetMainBundle().
+//
+// Terminology
+//  - "Outer Bundle" - This is the main bundle for Chrome; it's what
+//  +[NSBundle mainBundle] returns when Chrome is launched normally.
+//
+//  - "Main Bundle" - This is the bundle from which Chrome was launched.
+//  This will be the same as the outer bundle except when Chrome is launched
+//  via an app shortcut, in which case this will return the app shortcut's
+//  bundle rather than the main Chrome bundle.
+//
+//  - "Framework Bundle" - This is the bundle corresponding to the Chrome
+//  framework.
+//
+// Guidelines for use:
+//  - To access a resource, the Framework bundle should be used.
+//  - If the choice is between the Outer or Main bundles then please choose
+//  carefully.  Most often the Outer bundle will be the right choice, but for
+//  cases such as adding an app to the "launch on startup" list, the Main
+//  bundle is probably the one to use.
+
+// Methods for retrieving the various bundles.
+BASE_EXPORT NSBundle* MainBundle();
+BASE_EXPORT FilePath MainBundlePath();
+BASE_EXPORT NSBundle* OuterBundle();
+BASE_EXPORT FilePath OuterBundlePath();
+BASE_EXPORT NSBundle* FrameworkBundle();
+BASE_EXPORT FilePath FrameworkBundlePath();
+
+// Set the bundle that the preceding functions will return, overriding the
+// default values. Restore the default by passing in |nil|.
+BASE_EXPORT void SetOverrideOuterBundle(NSBundle* bundle);
+BASE_EXPORT void SetOverrideFrameworkBundle(NSBundle* bundle);
+
+// Same as above but accepting a FilePath argument.
+BASE_EXPORT void SetOverrideOuterBundlePath(const FilePath& file_path);
+BASE_EXPORT void SetOverrideFrameworkBundlePath(const FilePath& file_path);
+
+}  // namespace mac
+}  // namespace base
+
+#endif  // BASE_MAC_BUNDLE_LOCATIONS_H_