[DevTools] Eliminate frameId and isContentScript from js protocol.

third_party/WebKit/Source/platform/v8_inspector/debugger_script_externs.js

 // Copyright 2016 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.
 
 /** @typedef {{
         type: string,
         object: !Object,
         name: (string|undefined),
         startLocation: (!RawLocation|undefined),
         endLocation: (!RawLocation|undefined)
@@ skipping 11 matching lines @@
         id: number,
         name: string,
         sourceURL: (string|undefined),
         sourceMappingURL: (string|undefined),
         source: string,
         startLine: number,
         endLine: number,
         startColumn: number,
         endColumn: number,
         executionContextId: number,
-        isContentScript: boolean,
+        executionContextAuxData: string,
         isInternalScript: boolean
     }} */
 var FormattedScript;
 
 /** @typedef {{
         functionName: string,
         location: !RawLocation,
         this: !Object,
         scopeChain: !Array<!Scope>,
         functionLocation: (RawLocation|undefined),
@@ skipping 496 matching lines @@
 ScopeMirror.prototype.setVariableValue = function(name, newValue) {}
 
 /**
  * @interface
  * @extends {Mirror}
  */
 function ContextMirror() {}
 
 /** @return {string|undefined} */
 ContextMirror.prototype.data = function() {}