Extract ProcessManager from ExtensionSystem.

chrome/browser/chromeos/accessibility/spoken_feedback_browsertest.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 <queue>
 
 #include "ash/shell.h"
 #include "ash/system/tray/system_tray.h"
 #include "base/command_line.h"
 #include "base/strings/string_util.h"
@@ skipping 65 matching lines @@
 
   void SendKeyPressWithSearchAndShift(ui::KeyboardCode key) {
     ASSERT_NO_FATAL_FAILURE(
         ASSERT_TRUE(
             ui_test_utils::SendKeyPressToWindowSync(
                 NULL, key, false, true, false, true)));
   }
 
   void RunJavaScriptInChromeVoxBackgroundPage(const std::string& script) {
     extensions::ExtensionHost* host =
-        extensions::ExtensionSystem::Get(browser()->profile())->
-        process_manager()->GetBackgroundHostForExtension(
-            extension_misc::kChromeVoxExtensionId);
+        extensions::ProcessManager::Get(browser()->profile())
+            ->GetBackgroundHostForExtension(
+                extension_misc::kChromeVoxExtensionId);
     CHECK(content::ExecuteScript(host->host_contents(), script));
   }
 
   void SimulateTouchScreenInChromeVox() {
     // ChromeVox looks at whether 'ontouchstart' exists to know whether
     // or not it should respond to hover events. Fake it so that touch
     // exploration events get spoken.
     RunJavaScriptInChromeVoxBackgroundPage(
         "window.ontouchstart = function() {};");
   }
@@ skipping 402 matching lines @@
   EXPECT_EQ("English ( United States)", speech_monitor_.GetNextUtterance());
   EXPECT_TRUE(MatchPattern(speech_monitor_.GetNextUtterance(),
                            "Combo box * of *"));
   ASSERT_TRUE(
       ui_test_utils::SendKeyPressToWindowSync(
           window, ui::VKEY_TAB, false, false, false, false));
   EXPECT_EQ("Select your keyboard:", speech_monitor_.GetNextUtterance());
 }
 
 }  // namespace chromeos