Move ExtensionProcessManager to src/extensions, part 4

chrome/test/data/extensions/api_test/media_galleries/common/common_injected.js

 // Copyright 2013 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.
 
 // Valid WEBP image.
 var validWEBPImageCase = {
   filename: "valid.webp",
   blobString: "RIFF0\0\0\0WEBPVP8 $\0\0\0\xB2\x02\0\x9D\x01\x2A" +
               "\x01\0\x01\0\x2F\x9D\xCE\xE7s\xA8((((\x01\x9CK(\0" +
               "\x05\xCE\xB3l\0\0\xFE\xD8\x80\0\0"
@@ skipping 145 matching lines @@
       }
     }
     if (success) {
       chrome.test.succeed();
       return;
     }
     chrome.test.fail(readEntriesResults);
   }
 }
 
-// Create a dummy window to prevent the ExtensionProcessManager from suspending
-// the chrome-test app. Needed because the writer.onerror and writer.onwriteend
+// Create a dummy window to prevent the ProcessManager from suspending the
+// chrome-test app. Needed because the writer.onerror and writer.onwriteend
 // events do not qualify as pending callbacks, so the app looks dormant.
 function CreateDummyWindowToPreventSleep() {
   chrome.app.runtime.onLaunched.addListener(function() {
     chrome.app.window.create('dummy.html', {
       bounds: {
         width: 800,
         height: 600,
         left: 100,
         top: 100
       },
       minWidth: 800,
       minHeight: 600
     });
   });
 }