Devtools: parse variables scopes and sourcemap them

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

Index: third_party/WebKit/Source/platform/v8_inspector/injected_script_externs.js
diff --git a/third_party/WebKit/Source/platform/v8_inspector/injected_script_externs.js b/third_party/WebKit/Source/platform/v8_inspector/injected_script_externs.js
index 90a2004f672a7c02b07ea7d331c308bed79f7c32..97565829c6529d96220495da77877c80970d1850 100644
--- a/third_party/WebKit/Source/platform/v8_inspector/injected_script_externs.js
+++ b/third_party/WebKit/Source/platform/v8_inspector/injected_script_externs.js
@@ -225,6 +225,19 @@ JavaScriptCallFrame.prototype.scopeType = function(scopeIndex) {}
  */
 JavaScriptCallFrame.prototype.scopeName = function(scopeIndex) {}
 
+/**
+ * @param {number} scopeIndex
+ * @return {?DebuggerAgent.Location}
+ */
+JavaScriptCallFrame.prototype.scopeStartLocation = function(scopeIndex) {}
+
+/**
+ * @param {number} scopeIndex
+ * @return {?DebuggerAgent.Location}
+ */
+JavaScriptCallFrame.prototype.scopeEndLocation = function(scopeIndex) {}
+
+
 /** @type {!Window} */
 var inspectedGlobalObject;
 /** @type {number} */