Add TestExtensionsBrowserClient, move ProcessManagerTest to //extensions

extensions/browser/process_manager.h

 // 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 EXTENSIONS_BROWSER_PROCESS_MANAGER_H_
 #define EXTENSIONS_BROWSER_PROCESS_MANAGER_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 113 matching lines @@
   content::BrowserContext* GetBrowserContext() const;
 
   // Sets callbacks for testing keepalive impulse behavior.
   typedef base::Callback<void(const std::string& extension_id)>
       ImpulseCallbackForTesting;
   void SetKeepaliveImpulseCallbackForTesting(
       const ImpulseCallbackForTesting& callback);
   void SetKeepaliveImpulseDecrementCallbackForTesting(
       const ImpulseCallbackForTesting& callback);
 
+  // Creates an incognito-context instance for tests. Tests for non-incognito
+  // contexts can just use Create() above.
+  static ProcessManager* CreateIncognitoForTesting(
+      content::BrowserContext* incognito_context,
+      content::BrowserContext* original_context,
+      ProcessManager* original_manager);
+
  protected:
   // If |context| is incognito pass the master context as |original_context|.
   // Otherwise pass the same context for both.
   ProcessManager(content::BrowserContext* context,
                  content::BrowserContext* original_context);
 
   // Called on browser shutdown to close our extension hosts.
   void CloseBackgroundHosts();
 
   // content::NotificationObserver:
@@ skipping 88 matching lines @@
   ImpulseCallbackForTesting keepalive_impulse_decrement_callback_for_testing_;
 
   base::WeakPtrFactory<ProcessManager> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ProcessManager);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_PROCESS_MANAGER_H_