Add extensions code to use common updater in components/update_client/

extensions/browser/test_extensions_browser_client.h

 // Copyright 2014 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_TEST_EXTENSIONS_BROWSER_CLIENT_H_
 #define EXTENSIONS_BROWSER_TEST_EXTENSIONS_BROWSER_CLIENT_H_
 
+#include <string>
+#include <vector>
+
+#include "base/callback.h"
 #include "base/compiler_specific.h"
+#include "base/memory/ref_counted.h"
+#include "components/update_client/update_client.h"
 #include "extensions/browser/extensions_browser_client.h"
 #include "extensions/browser/updater/extension_cache.h"
 
 namespace extensions {
 
 // A simplified ExtensionsBrowserClient for a single normal browser context and
 // an optional incognito browser context associated with it. A test that uses
 // this class should call ExtensionsBrowserClient::Set() with its instance.
 class TestExtensionsBrowserClient : public ExtensionsBrowserClient {
  public:
   // |main_context| is required and must not be an incognito context.
   explicit TestExtensionsBrowserClient(content::BrowserContext* main_context);
   ~TestExtensionsBrowserClient() override;
 
   void set_process_manager_delegate(ProcessManagerDelegate* delegate) {
     process_manager_delegate_ = delegate;
   }
   void set_extension_system_factory(ExtensionSystemProvider* factory) {
     extension_system_factory_ = factory;
   }
   void set_extension_cache(scoped_ptr<ExtensionCache> extension_cache) {
     extension_cache_ = extension_cache.Pass();
   }
 
+  // Sets a factory to respond to calls of the CreateUpdateClient method.
+  void SetUpdateClientFactory(
+      const base::Callback<update_client::UpdateClient*(void)>& factory);
+
   // Associates an incognito context with |main_context_|.
   void SetIncognitoContext(content::BrowserContext* incognito_context);
 
   // ExtensionsBrowserClient overrides:
   bool IsShuttingDown() override;
   bool AreExtensionsDisabled(const base::CommandLine& command_line,
                              content::BrowserContext* context) override;
   bool IsValidContext(content::BrowserContext* context) override;
   bool IsSameContext(content::BrowserContext* first,
                      content::BrowserContext* second) override;
@@ skipping 46 matching lines @@
   GetComponentExtensionResourceManager() override;
   void BroadcastEventToRenderers(events::HistogramValue histogram_value,
                                  const std::string& event_name,
                                  scoped_ptr<base::ListValue> args) override;
   net::NetLog* GetNetLog() override;
   ExtensionCache* GetExtensionCache() override;
   bool IsBackgroundUpdateAllowed() override;
   bool IsMinBrowserVersionSupported(const std::string& min_version) override;
   ExtensionWebContentsObserver* GetExtensionWebContentsObserver(
       content::WebContents* web_contents) override;
+  scoped_refptr<update_client::UpdateClient> CreateUpdateClient(
+      content::BrowserContext* context) override;
 
  private:
   content::BrowserContext* main_context_;       // Not owned.
   content::BrowserContext* incognito_context_;  // Not owned, defaults to NULL.
 
   // Not owned, defaults to NULL.
   ProcessManagerDelegate* process_manager_delegate_;
 
   // Not owned, defaults to NULL.
   ExtensionSystemProvider* extension_system_factory_;
 
   scoped_ptr<ExtensionCache> extension_cache_;
 
+  base::Callback<update_client::UpdateClient*(void)> update_client_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(TestExtensionsBrowserClient);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_TEST_EXTENSIONS_BROWSER_CLIENT_H_