Moved the javascript files for each respective guest_view type into subdirectories of guest_view/ .

extensions/renderer/resources/guest_view/web_view_constants.js

-// Copyright (c) 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.
-
-// This module contains constants used in webview.
-
-// Container for the webview constants.
-var WebViewConstants = {
-  // Attributes.
-  ATTRIBUTE_ALLOWTRANSPARENCY: 'allowtransparency',
-  ATTRIBUTE_ALLOWSCALING: 'allowscaling',
-  ATTRIBUTE_AUTOSIZE: 'autosize',
-  ATTRIBUTE_MAXHEIGHT: 'maxheight',
-  ATTRIBUTE_MAXWIDTH: 'maxwidth',
-  ATTRIBUTE_MINHEIGHT: 'minheight',
-  ATTRIBUTE_MINWIDTH: 'minwidth',
-  ATTRIBUTE_NAME: 'name',
-  ATTRIBUTE_PARTITION: 'partition',
-  ATTRIBUTE_SRC: 'src',
-
-  // Error/warning messages.
-  ERROR_MSG_ALREADY_NAVIGATED: '<webview>: ' +
-      'The object has already navigated, so its partition cannot be changed.',
-  ERROR_MSG_CANNOT_INJECT_SCRIPT: '<webview>: ' +
-      'Script cannot be injected into content until the page has loaded.',
-  ERROR_MSG_CONTENTWINDOW_NOT_AVAILABLE: '<webview>: ' +
-      'contentWindow is not available at this time. It will become available ' +
-      'when the page has finished loading.',
-  ERROR_MSG_DIALOG_ACTION_ALREADY_TAKEN: '<webview>: ' +
-      'An action has already been taken for this "dialog" event.',
-  ERROR_MSG_NEWWINDOW_ACTION_ALREADY_TAKEN: '<webview>: ' +
-      'An action has already been taken for this "newwindow" event.',
-  ERROR_MSG_PERMISSION_ACTION_ALREADY_TAKEN: '<webview>: ' +
-      'Permission has already been decided for this "permissionrequest" event.',
-  ERROR_MSG_INVALID_PARTITION_ATTRIBUTE: '<webview>: ' +
-      'Invalid partition attribute.',
-  WARNING_MSG_DIALOG_REQUEST_BLOCKED: '<webview>: %1 %2 dialog was blocked.',
-  WARNING_MSG_NEWWINDOW_REQUEST_BLOCKED: '<webview>: A new window was blocked.',
-  WARNING_MSG_PERMISSION_REQUEST_BLOCKED: '<webview>: ' +
-      'The permission request for "%1" has been denied.'
-};
-
-exports.WebViewConstants = WebViewConstants;