Revert of [DevTools] Remove methods on Common.Event.

third_party/WebKit/Source/devtools/front_end/bindings/DebuggerWorkspaceBinding.js

 // Copyright 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.
 /**
  * @implements {SDK.TargetManager.Observer}
  * @unrestricted
  */
 Bindings.DebuggerWorkspaceBinding = class {
   /**
    * @param {!SDK.TargetManager} targetManager
    * @param {!Workspace.Workspace} workspace
    */
   constructor(targetManager, workspace) {
     this._workspace = workspace;
 
     // FIXME: Migrate from _targetToData to _debuggerModelToData.
     /** @type {!Map.<!SDK.Target, !Bindings.DebuggerWorkspaceBinding.TargetData>} */
     this._targetToData = new Map();
     targetManager.observeTargets(this);
 
     targetManager.addModelListener(
         SDK.DebuggerModel, SDK.DebuggerModel.Events.GlobalObjectCleared, this._globalObjectCleared, this);
     targetManager.addModelListener(
+        SDK.DebuggerModel, SDK.DebuggerModel.Events.BeforeDebuggerPaused, this._beforeDebuggerPaused, this);
+    targetManager.addModelListener(
         SDK.DebuggerModel, SDK.DebuggerModel.Events.DebuggerResumed, this._debuggerResumed, this);
     workspace.addEventListener(Workspace.Workspace.Events.UISourceCodeRemoved, this._uiSourceCodeRemoved, this);
     workspace.addEventListener(Workspace.Workspace.Events.ProjectRemoved, this._projectRemoved, this);
   }
 
   /**
    * @override
    * @param {!SDK.Target} target
    */
   targetAdded(target) {
@@ skipping 284 matching lines @@
       info._removeLocation(location);
   }
 
   /**
    * @param {!Common.Event} event
    */
   _debuggerResumed(event) {
     var debuggerModel = /** @type {!SDK.DebuggerModel} */ (event.target);
     this._reset(debuggerModel.target());
   }
+
+  /**
+   * @param {!Common.Event} event
+   */
+  _beforeDebuggerPaused(event) {
+    var rawLocation = event.data.callFrames[0].location();
+    var targetData = this._targetToData.get(rawLocation.target());
+    if (!targetData._compilerMapping.mapsToSourceCode(rawLocation)) {
+      event.stopPropagation();
+      event.preventDefault();
+    }
+  }
 };
 
 /**
  * @unrestricted
  */
 Bindings.DebuggerWorkspaceBinding.TargetData = class {
   /**
    * @param {!SDK.DebuggerModel} debuggerModel
    * @param {!Bindings.DebuggerWorkspaceBinding} debuggerWorkspaceBinding
    */
   constructor(debuggerModel, debuggerWorkspaceBinding) {
-    this._debuggerModel = debuggerModel;
+    this._target = debuggerModel.target();
 
     /** @type {!Map.<string, !Bindings.DebuggerWorkspaceBinding.ScriptInfo>} */
     this.scriptDataMap = new Map();
 
     /** @type {!Set.<!Bindings.DebuggerWorkspaceBinding.Location>} */
     this.callFrameLocations = new Set();
 
     var workspace = debuggerWorkspaceBinding._workspace;
 
     this._defaultMapping = new Bindings.DefaultScriptMapping(debuggerModel, workspace, debuggerWorkspaceBinding);
     this._resourceMapping = new Bindings.ResourceScriptMapping(debuggerModel, workspace, debuggerWorkspaceBinding);
     this._compilerMapping = new Bindings.CompilerScriptMapping(
-        debuggerModel, workspace, Bindings.NetworkProject.forTarget(this._debuggerModel.target()),
-        debuggerWorkspaceBinding);
+        debuggerModel, workspace, Bindings.NetworkProject.forTarget(this._target), debuggerWorkspaceBinding);
 
     /** @type {!Map.<!Workspace.UISourceCode, !Bindings.DebuggerSourceMapping>} */
     this._uiSourceCodeToSourceMapping = new Map();
 
-    debuggerModel.setBeforePausedCallback(this._beforePaused.bind(this));
     this._eventListeners = [
       debuggerModel.addEventListener(SDK.DebuggerModel.Events.ParsedScriptSource, this._parsedScriptSource, this),
       debuggerModel.addEventListener(SDK.DebuggerModel.Events.FailedToParseScriptSource, this._parsedScriptSource, this)
     ];
   }
 
   /**
-   * @param {!SDK.DebuggerPausedDetails} debuggerPausedDetails
-   * @return {boolean}
-   */
-  _beforePaused(debuggerPausedDetails) {
-    return !!this._compilerMapping.mapsToSourceCode(debuggerPausedDetails.callFrames[0].location());
-  }
-
-  /**
    * @param {!Common.Event} event
    */
   _parsedScriptSource(event) {
     var script = /** @type {!SDK.Script} */ (event.data);
     this._defaultMapping.addScript(script);
     this._resourceMapping.addScript(script);
 
     if (Common.moduleSetting('jsSourceMapsEnabled').get())
       this._compilerMapping.addScript(script);
   }
 
   /**
    * @param {!Workspace.UISourceCode} uiSourceCode
    * @param {?Bindings.DebuggerSourceMapping} sourceMapping
    */
   _setSourceMapping(uiSourceCode, sourceMapping) {
     if (this._uiSourceCodeToSourceMapping.get(uiSourceCode) === sourceMapping)
       return;
 
     if (sourceMapping)
       this._uiSourceCodeToSourceMapping.set(uiSourceCode, sourceMapping);
     else
       this._uiSourceCodeToSourceMapping.remove(uiSourceCode);
 
     uiSourceCode.dispatchEventToListeners(
         Workspace.UISourceCode.Events.SourceMappingChanged,
-        {target: this._debuggerModel.target(), isIdentity: sourceMapping ? sourceMapping.isIdentity() : false});
+        {target: this._target, isIdentity: sourceMapping ? sourceMapping.isIdentity() : false});
   }
 
   /**
    * @param {!Workspace.UISourceCode} uiSourceCode
    * @param {number} lineNumber
    * @param {number} columnNumber
    * @return {?SDK.DebuggerModel.Location}
    */
   _uiLocationToRawLocation(uiSourceCode, lineNumber, columnNumber) {
     var sourceMapping = this._uiSourceCodeToSourceMapping.get(uiSourceCode);
@@ skipping 11 matching lines @@
   }
 
   /**
    * @param {!Workspace.UISourceCode} uiSourceCode
    */
   _uiSourceCodeRemoved(uiSourceCode) {
     this._uiSourceCodeToSourceMapping.remove(uiSourceCode);
   }
 
   _dispose() {
-    this._debuggerModel.setBeforePausedCallback(null);
     Common.EventTarget.removeEventListeners(this._eventListeners);
     this._compilerMapping.dispose();
     this._resourceMapping.dispose();
     this._defaultMapping.dispose();
     this._uiSourceCodeToSourceMapping.clear();
   }
 };
 
 /**
  * @unrestricted
@@ skipping 202 matching lines @@
    * @param {number} lineNumber
    * @return {boolean}
    */
   uiLineHasMapping(uiSourceCode, lineNumber) {}
 };
 
 /**
  * @type {!Bindings.DebuggerWorkspaceBinding}
  */
 Bindings.debuggerWorkspaceBinding;