[debug] Add Eval scope type to inspector protocol

src/inspector/debugger_script_externs.js

 // Copyright 2016 the V8 project 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 180 matching lines @@
 ExecutionState.prototype.selectedFrame = function() {}
 
 
 /** @enum */
 var ScopeType = { Global: 0,
                   Local: 1,
                   With: 2,
                   Closure: 3,
                   Catch: 4,
                   Block: 5,
-                  Script: 6 };
+                  Script: 6,
+                  Eval: 7 };
 
 
 /** @typedef {{
  *    script: number,
  *    position: number,
  *    line: number,
  *    column:number,
  *    start: number,
  *    end: number,
  *    }}
@@ skipping 260 matching lines @@
 ScopeMirror.prototype.setVariableValue = function(name, newValue) {}
 
 /**
  * @interface
  * @extends {Mirror}
  */
 function ContextMirror() {}
 
 /** @return {string|undefined} */
 ContextMirror.prototype.data = function() {}