DevTools: Support properly multiple targets in sources panel

Source/devtools/front_end/sdk/DebuggerModel.js

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 33 matching lines @@
     this._debuggerPausedDetails = null;
     /** @type {!Object.<string, !WebInspector.Script>} */
     this._scripts = {};
     /** @type {!StringMap.<!Array.<!WebInspector.Script>>} */
     this._scriptsBySourceURL = new StringMap();
 
     this._breakpointsActive = true;
     /** @type {!WebInspector.Object} */
     this._breakpointResolvedEventTarget = new WebInspector.Object();
 
+    this._isPausing = false;
     WebInspector.settings.pauseOnExceptionEnabled.addChangeListener(this._pauseOnExceptionStateChanged, this);
     WebInspector.settings.pauseOnCaughtException.addChangeListener(this._pauseOnExceptionStateChanged, this);
 
     WebInspector.settings.enableAsyncStackTraces.addChangeListener(this._asyncStackTracesStateChanged, this);
     target.profilingLock.addEventListener(WebInspector.Lock.Events.StateChanged, this._profilingStateChanged, this);
 
     this.enableDebugger();
 
     WebInspector.settings.skipStackFramesSwitch.addChangeListener(this._applySkipStackFrameSettings, this);
     WebInspector.settings.skipStackFramesPattern.addChangeListener(this._applySkipStackFrameSettings, this);
@@ skipping 119 matching lines @@
     _asyncStackTracesStateChanged: function()
     {
         const maxAsyncStackChainDepth = 4;
         var enabled = WebInspector.settings.enableAsyncStackTraces.get() && !this.target().profilingLock.isAcquired();
         this._agent.setAsyncCallStackDepth(enabled ? maxAsyncStackChainDepth : 0);
     },
 
     _debuggerWasDisabled: function()
     {
         this._debuggerEnabled = false;
+        this._isPausing = false;
         this.dispatchEventToListeners(WebInspector.DebuggerModel.Events.DebuggerWasDisabled);
     },
 
     stepInto: function()
     {
         /**
          * @this {WebInspector.DebuggerModel}
          */
         function callback()
         {
@@ skipping 29 matching lines @@
     resume: function()
     {
         /**
          * @this {WebInspector.DebuggerModel}
          */
         function callback()
         {
             this._agent.resume();
         }
         this._agent.setOverlayMessage(undefined, callback.bind(this));
+        this._isPausing = false;
+    },
+
+    pause: function()
+    {
+        this._isPausing = true;
+        this.skipAllPauses(false);
+        this._agent.pause();
     },
 
     /**
      * @param {!WebInspector.DebuggerModel.Location} rawLocation
      * @param {string} condition
      * @param {function(?DebuggerAgent.BreakpointId, !Array.<!WebInspector.DebuggerModel.Location>):void=} callback
      */
     setBreakpointByScriptLocation: function(rawLocation, condition, callback)
     {
         var script = rawLocation.script();
@@ skipping 176 matching lines @@
     debuggerPausedDetails: function()
     {
         return this._debuggerPausedDetails;
     },
 
     /**
      * @param {?WebInspector.DebuggerPausedDetails} debuggerPausedDetails
      */
     _setDebuggerPausedDetails: function(debuggerPausedDetails)
     {
+        this._isPausing = false;
         if (this._debuggerPausedDetails)
             this._debuggerPausedDetails.dispose();
         this._debuggerPausedDetails = debuggerPausedDetails;
         if (this._debuggerPausedDetails)
             this.dispatchEventToListeners(WebInspector.DebuggerModel.Events.DebuggerPaused, this._debuggerPausedDetails);
         if (debuggerPausedDetails) {
             this.setSelectedCallFrame(debuggerPausedDetails.callFrames[0]);
             this._agent.setOverlayMessage(WebInspector.UIString("Paused in debugger"));
         } else {
             this.setSelectedCallFrame(null);
@@ skipping 93 matching lines @@
 
     /**
      * @return {boolean}
      */
     isPaused: function()
     {
         return !!this.debuggerPausedDetails();
     },
 
     /**
+     * @return {boolean}
+     */
+    isPausing: function()
+    {
+        return this._isPausing;
+    },
+
+    /**
      * @param {?WebInspector.DebuggerModel.CallFrame} callFrame
      */
     setSelectedCallFrame: function(callFrame)
     {
         this._selectedCallFrame = callFrame;
         if (!this._selectedCallFrame)
             return;
 
         this.dispatchEventToListeners(WebInspector.DebuggerModel.Events.CallFrameSelected, callFrame);
     },
@@ skipping 602 matching lines @@
             this.asyncStackTrace.dispose();
     },
 
     __proto__: WebInspector.TargetAware.prototype
 }
 
 /**
  * @type {!WebInspector.DebuggerModel}
  */
 WebInspector.debuggerModel;