Componentize VersionInfo.

chrome/browser/extensions/service_worker_apitest.cc

 // Copyright 2015 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/extensions/extension_apitest.h"
 #include "extensions/test/extension_test_message_listener.h"
 
 namespace extensions {
 
 class ServiceWorkerTest : public ExtensionApiTest {
  public:
   // Set the channel to "trunk" since service workers are restricted to trunk.
   ServiceWorkerTest()
-      : current_channel_(chrome::VersionInfo::CHANNEL_UNKNOWN) {}
+      : current_channel_(version_info::Channel::UNKNOWN) {}
 
   ~ServiceWorkerTest() override {}
 
  private:
   ScopedCurrentChannel current_channel_;
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerTest);
 };
 
 IN_PROC_BROWSER_TEST_F(ServiceWorkerTest, RegisterServiceWorkersOnTrunk) {
   ExtensionTestMessageListener listener(false);
   // This should fail because there are changes to be made to
   // successfully register a service worker.
   ASSERT_FALSE(RunExtensionTest("service_worker/register")) << message_;
   ASSERT_TRUE(listener.WaitUntilSatisfied());
   ASSERT_EQ(
       "SecurityError: Failed to register a ServiceWorker: No URL is "
       "associated with the caller's document.",
       listener.message());
 }
 
 // This feature is restricted to trunk, so on dev it should have existing
 // behavior - which is for it to fail.
 IN_PROC_BROWSER_TEST_F(ServiceWorkerTest, CannotRegisterServiceWorkersOnDev) {
   ScopedCurrentChannel current_channel_override(
-      chrome::VersionInfo::CHANNEL_DEV);
+      version_info::Channel::DEV);
   ExtensionTestMessageListener listener(false);
   ASSERT_FALSE(RunExtensionTest("service_worker/register")) << message_;
   ASSERT_TRUE(listener.WaitUntilSatisfied());
   ASSERT_EQ(
       "SecurityError: Failed to register a ServiceWorker: The URL "
       "protocol of the current origin ('chrome-extension://" +
           GetSingleLoadedExtension()->id() + "') is not supported.",
       listener.message());
 }
 
 }  // namespace extensions