Reland r242290, r241609, r242134.

chrome/browser/ui/webui/signin/inline_login_handler_impl.h

Index: chrome/browser/ui/webui/signin/inline_login_handler_impl.h
diff --git a/chrome/browser/ui/webui/signin/inline_login_handler_impl.h b/chrome/browser/ui/webui/signin/inline_login_handler_impl.h
new file mode 100644
index 0000000000000000000000000000000000000000..9193d34e09ed1554e7769c4421649f53c8f35038
--- /dev/null
+++ b/chrome/browser/ui/webui/signin/inline_login_handler_impl.h
@@ -0,0 +1,53 @@
+// 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_BROWSER_UI_WEBUI_SIGNIN_INLINE_LOGIN_HANDLER_IMPL_H_
+#define CHROME_BROWSER_UI_WEBUI_SIGNIN_INLINE_LOGIN_HANDLER_IMPL_H_
+
+#include "base/memory/scoped_ptr.h"
+#include "base/memory/weak_ptr.h"
+#include "chrome/browser/ui/sync/one_click_signin_sync_starter.h"
+#include "chrome/browser/ui/webui/signin/inline_login_handler.h"
+#include "google_apis/gaia/gaia_auth_consumer.h"
+
+class GaiaAuthFetcher;
+
+// Implementation for the inline login WebUI handler on desktop Chrome. Once
+// CrOS migrates to the same webview approach as desktop Chrome, much of the
+// code in this class should move to its base class |InlineLoginHandler|.
+class InlineLoginHandlerImpl : public GaiaAuthConsumer,
+                               public InlineLoginHandler {
+ public:
+  InlineLoginHandlerImpl();
+  virtual ~InlineLoginHandlerImpl();
+
+ private:
+  // InlineLoginHandler overrides:
+  virtual void RegisterMessages() OVERRIDE;
+  virtual void SetExtraInitParams(base::DictionaryValue& params) OVERRIDE;
+  virtual void CompleteLogin(const base::ListValue* args) OVERRIDE;
+
+  // GaiaAuthConsumer override.
+  virtual void OnClientOAuthCodeSuccess(const std::string& oauth_code) OVERRIDE;
+  virtual void OnClientOAuthCodeFailure(
+      const GoogleServiceAuthError& error) OVERRIDE;
+
+  // JS callback to switch the UI from a constrainted dialog to a full tab.
+  void HandleSwitchToFullTabMessage(const base::ListValue* args);
+  void HandleLoginError(const std::string& error_msg);
+  void SyncStarterCallback(OneClickSigninSyncStarter::SyncSetupResult result);
+  void CloseTab();
+
+  base::WeakPtrFactory<InlineLoginHandlerImpl> weak_factory_;
+  scoped_ptr<GaiaAuthFetcher> auth_fetcher_;
+  std::string email_;
+  std::string password_;
+  bool choose_what_to_sync_;
+  // Partition id for the gaia webview;
+  std::string partition_id_;
+
+  DISALLOW_COPY_AND_ASSIGN(InlineLoginHandlerImpl);
+};
+
+#endif  // CHROME_BROWSER_UI_WEBUI_SIGNIN_INLINE_LOGIN_HANDLER_IMPL_H_