Remove //chrome as an embedder of blimp.

chrome/browser/android/blimp/blimp_client_context_factory.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_BLIMP_CLIENT_CONTEXT_FACTORY_H_
-#define CHROME_BROWSER_ANDROID_BLIMP_BLIMP_CLIENT_CONTEXT_FACTORY_H_
-
-#include "base/macros.h"
-#include "components/keyed_service/content/browser_context_keyed_service_factory.h"
-
-namespace base {
-template <typename T>
-struct DefaultSingletonTraits;
-}  // namespace base
-
-namespace blimp {
-namespace client {
-class BlimpClientContext;
-}  // namespace client
-}  // namespace blimp
-
-namespace content {
-class BrowserContext;
-}  // namespace content
-
-// BlimpClientContextFactory is the main client class for interactive with
-// blimp.
-class BlimpClientContextFactory : public BrowserContextKeyedServiceFactory {
- public:
-  // Returns singleton instance of BlimpClientContextFactory.
-  static BlimpClientContextFactory* GetInstance();
-
-  // Returns the BlimpClientContext associated with |context| or creates a new
-  // one if it doesn't exist.
-  static blimp::client::BlimpClientContext* GetForBrowserContext(
-      content::BrowserContext* context);
-
- private:
-  friend struct base::DefaultSingletonTraits<BlimpClientContextFactory>;
-
-  BlimpClientContextFactory();
-  ~BlimpClientContextFactory() override;
-
-  // BrowserContextKeyedServiceFactory overrides:
-  KeyedService* BuildServiceInstanceFor(
-      content::BrowserContext* context) const override;
-  content::BrowserContext* GetBrowserContextToUse(
-      content::BrowserContext* context) const override;
-
-  DISALLOW_COPY_AND_ASSIGN(BlimpClientContextFactory);
-};
-
-#endif  // CHROME_BROWSER_ANDROID_BLIMP_BLIMP_CLIENT_CONTEXT_FACTORY_H_