Refactor AO2TS to make it easier to componentize.

extensions/shell/browser/shell_oauth2_token_service_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 "extensions/shell/browser/shell_oauth2_token_service.h"
 
 #include "content/public/test/test_browser_thread_bundle.h"
 #include "extensions/browser/extensions_test.h"
 
 namespace extensions {
 
 class ShellOAuth2TokenServiceTest : public ExtensionsTest {
  public:
   ShellOAuth2TokenServiceTest() {}
   ~ShellOAuth2TokenServiceTest() override {}
 
  private:
   content::TestBrowserThreadBundle thread_bundle_;
 };
 
 // Verifies setting the refresh token makes it available.
 TEST_F(ShellOAuth2TokenServiceTest, SetRefreshToken) {
   ShellOAuth2TokenService service(nullptr, "larry@google.com", "token123");
 
   // Only has a token for the account in the constructor.
-  EXPECT_EQ("larry@google.com", service.account_id());
+  EXPECT_EQ("larry@google.com", service.AccountId());
   EXPECT_TRUE(service.RefreshTokenIsAvailable("larry@google.com"));
   EXPECT_FALSE(service.RefreshTokenIsAvailable("sergey@google.com"));
 
   service.SetRefreshToken("sergey@google.com", "token456");
 
   // The account and refresh token have updated.
-  EXPECT_EQ("sergey@google.com", service.account_id());
+  EXPECT_EQ("sergey@google.com", service.AccountId());
   EXPECT_FALSE(service.RefreshTokenIsAvailable("larry@google.com"));
   EXPECT_TRUE(service.RefreshTokenIsAvailable("sergey@google.com"));
 }
 
 }  // namespace extensions