Refactor AO2TS to make it easier to componentize.

chrome/browser/local_discovery/gcd_api_flow_unittest.cc

 // 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.
 
 #include "chrome/browser/local_discovery/gcd_api_flow.h"
 
 #include "base/bind.h"
 #include "base/message_loop/message_loop.h"
 #include "base/thread_task_runner_handle.h"
 #include "base/values.h"
@@ skipping 35 matching lines @@
   GCDApiFlowTest()
       : ui_thread_(content::BrowserThread::UI, &loop_),
         request_context_(new net::TestURLRequestContextGetter(
             base::ThreadTaskRunnerHandle::Get())),
         account_id_(kAccountId) {}
 
   ~GCDApiFlowTest() override {}
 
  protected:
   void SetUp() override {
-    token_service_.set_request_context(request_context_.get());
+    token_service_.GetFakeOAuth2TokenServiceDelegate()->set_request_context(
+        request_context_.get());
     token_service_.AddAccount(account_id_);
     ui_thread_.Stop();  // HACK: Fake being on the UI thread
 
     scoped_ptr<MockDelegate> delegate(new MockDelegate);
     mock_delegate_ = delegate.get();
     EXPECT_CALL(*mock_delegate_, GetURL())
         .WillRepeatedly(Return(
             GURL("https://www.google.com/cloudprint/confirm?token=SomeToken")));
     gcd_flow_.reset(new GCDApiFlowImpl(
         request_context_.get(), &token_service_, account_id_));
@@ skipping 55 matching lines @@
 
   EXPECT_CALL(*mock_delegate_,
               OnGCDAPIFlowError(GCDApiFlow::ERROR_MALFORMED_RESPONSE));
 
   fetcher->delegate()->OnURLFetchComplete(fetcher);
 }
 
 }  // namespace
 
 }  // namespace local_discovery