Remove //chrome as an embedder of blimp.

chrome/browser/android/blimp/chrome_blimp_client_context_delegate.h

-// Copyright 2016 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_ANDROID_BLIMP_CHROME_BLIMP_CLIENT_CONTEXT_DELEGATE_H_
-#define CHROME_BROWSER_ANDROID_BLIMP_CHROME_BLIMP_CLIENT_CONTEXT_DELEGATE_H_
-
-#include <memory>
-
-#include "base/macros.h"
-#include "base/strings/string16.h"
-#include "blimp/client/public/blimp_client_context_delegate.h"
-
-class IdentityProvider;
-class Profile;
-
-namespace blimp {
-namespace client {
-class BlimpClientContext;
-class BlimpContents;
-}  // namespace client
-}  // namespace blimp
-
-// The BlimpClientContextDelegate for //chrome which provides the necessary
-// functionality required to run Blimp.
-class ChromeBlimpClientContextDelegate
-    : public blimp::client::BlimpClientContextDelegate {
- public:
-  // Constructs the object and attaches it to the BlimpClientContext that is
-  // used for the given profile.
-  explicit ChromeBlimpClientContextDelegate(Profile* profile);
-  // Unattaches itself from the BlimpClientContext before going away.
-  ~ChromeBlimpClientContextDelegate() override;
-
-  // BlimpClientContextDelegate implementation.
-  void AttachBlimpContentsHelpers(
-      blimp::client::BlimpContents* blimp_contents) override;
-  void OnAssignmentConnectionAttempted(
-      blimp::client::AssignmentRequestResult result,
-      const blimp::client::Assignment& assignment) override;
-  std::unique_ptr<IdentityProvider> CreateIdentityProvider() override;
-  void OnAuthenticationError(const GoogleServiceAuthError& error) override;
-  void OnConnected() override;
-  void OnEngineDisconnected(int result) override;
-  void OnNetworkDisconnected(int result) override;
-
- protected:
-  // Show an alert message in the embedder.
-  virtual void ShowMessage(const base::string16& msg, bool short_message);
-
- private:
-  void OnDisconnected(const base::string16& reason);
-
-  // The profile this delegate is used for.
-  Profile* profile_;
-
-  // The BlimpClientContext this is the delegate for.
-  blimp::client::BlimpClientContext* blimp_client_context_;
-
-  DISALLOW_COPY_AND_ASSIGN(ChromeBlimpClientContextDelegate);
-};
-
-#endif  // CHROME_BROWSER_ANDROID_BLIMP_CHROME_BLIMP_CLIENT_CONTEXT_DELEGATE_H_