Add WebView implementation for CookieManager.

android_webview/native/aw_browser_dependency_factory.h

 // 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 ANDROID_WEBVIEW_AW_BROWSER_DELEGATE_H_
 #define ANDROID_WEBVIEW_AW_BROWSER_DELEGATE_H_
 
 #include "base/basictypes.h"
 
 namespace content {
+class BrowserContext;
 class JavaScriptDialogCreator;
 class WebContents;
 }
 
 namespace android_webview {
 
 class AwContentsContainer;
 
 // The concrete class implementing this interface is the responsible for
 // creating he browser component objects that the Android WebView depends on.
 // The motivation for this abstraction is to keep code under
 // android_webview/native from holding direct chrome/ layer dependencies.
 // Note this is a distinct role to the Webview embedder proper: this class is
 // about 'static' environmental decoupling, allowing dependency injection by the
 // top-level lib, whereas runtime behavior is controlled by propagated back to
 // the embedding application code via WebContentsDelegate and the like.
 class AwBrowserDependencyFactory {
  public:
   virtual ~AwBrowserDependencyFactory();
 
   // Allows the lib executive to inject the delegate instance. Ownership of
   // |delegate| is NOT transferred, but the object must be long-lived.
   static void SetInstance(AwBrowserDependencyFactory* delegate);
 
   // Returns the singleton instance. |SetInstance| must have been called.
   static AwBrowserDependencyFactory* GetInstance();
 
+  // Returns the current browser context based on the specified mode.
+  virtual content::BrowserContext* GetBrowserContext(bool incognito) = 0;
+
   // Constructs and returns ownership of a WebContents instance.
   virtual content::WebContents* CreateWebContents(bool incognito) = 0;
 
   // Creates and returns ownership of a new content container instance. That
   // instance will take ownership of the passed |contents|.
   virtual AwContentsContainer* CreateContentsContainer(
       content::WebContents* contents) = 0;
 
   // As per the WebContentsDelegate method of the same name. Ownership is NOT
   // returned; the instance must be long-lived.
   virtual content::JavaScriptDialogCreator* GetJavaScriptDialogCreator() = 0;
 
  protected:
   AwBrowserDependencyFactory();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(AwBrowserDependencyFactory);
 };
 
 }  // namespace android_webview
 
 #endif  // ANDROID_WEBVIEW_AW_BROWSER_DELEGATE_H_