Implementing console command 'debug'.

Source/devtools/front_end/DebuggerModel.js

Index: Source/devtools/front_end/DebuggerModel.js
diff --git a/Source/devtools/front_end/DebuggerModel.js b/Source/devtools/front_end/DebuggerModel.js
index fdf6d8adcb9ee71247b631a4a06d4857e62bc724..9f534bd3ca613c7455046fb8af029feb21d4d3bf 100644
--- a/Source/devtools/front_end/DebuggerModel.js
+++ b/Source/devtools/front_end/DebuggerModel.js
@@ -85,7 +85,8 @@ WebInspector.DebuggerModel.Events = {
     CallFrameSelected: "CallFrameSelected",
     ExecutionLineChanged: "ExecutionLineChanged",
     ConsoleCommandEvaluatedInSelectedCallFrame: "ConsoleCommandEvaluatedInSelectedCallFrame",
-    BreakpointsActiveStateChanged: "BreakpointsActiveStateChanged"
+    BreakpointsActiveStateChanged: "BreakpointsActiveStateChanged",
+    SetBreakpointRequested: "SetBreakpointRequested"
 }
 
 WebInspector.DebuggerModel.BreakReason = {
@@ -253,6 +254,14 @@ WebInspector.DebuggerModel.prototype = {
         this.dispatchEventToListeners(WebInspector.DebuggerModel.Events.BreakpointResolved, {breakpointId: breakpointId, location: location});
     },
 
+    /**
+     * @param {DebuggerAgent.Location} location
+     */
+    _setBreakpointRequested: function(location)
+    {
+         this.dispatchEventToListeners(WebInspector.DebuggerModel.Events.SetBreakpointRequested, {location: location});
+    },
+
     _globalObjectCleared: function()
     {
         this._setDebuggerPausedDetails(null);
@@ -672,6 +681,14 @@ WebInspector.DebuggerDispatcher.prototype = {
     breakpointResolved: function(breakpointId, location)
     {
         this._debuggerModel._breakpointResolved(breakpointId, location);
+    },
+
+    /**
+    * @param {DebuggerAgent.Location} location
+     */
+    setBreakpointRequested: function(location)
+    {
+        this._debuggerModel._setBreakpointRequested(location);
     }
 }