DevTools: Fix breakpoints in source mapped files after reload.

Source/devtools/front_end/sdk/BreakpointManager.js

Index: Source/devtools/front_end/sdk/BreakpointManager.js
diff --git a/Source/devtools/front_end/sdk/BreakpointManager.js b/Source/devtools/front_end/sdk/BreakpointManager.js
index e2fc7ed2ecf9e19492051a563e5a93c844530d4d..69f3d155ad9e3ee2efbe1abc59163414c6701fda 100644
--- a/Source/devtools/front_end/sdk/BreakpointManager.js
+++ b/Source/devtools/front_end/sdk/BreakpointManager.js
@@ -698,8 +698,17 @@ WebInspector.BreakpointManager.TargetBreakpoint.prototype = {
         this._resetLocations();
         if (!this._debuggerId)
             return;
-        this.target().debuggerModel.removeBreakpoint(this._debuggerId, callbackImmediately ? undefined : this._didRemoveFromDebugger.bind(this));
-
+        var debuggerId = this._debuggerId;
+        this.target().debuggerModel.removeBreakpoint(this._debuggerId, callbackImmediately ? undefined : didRemoveFromDebugger.bind(this));
+
+        /**
+         * @this {WebInspector.BreakpointManager.TargetBreakpoint}
+         */
+        function didRemoveFromDebugger()
+        {
+            if (this._debuggerId === debuggerId)
+                this._didRemoveFromDebugger();
+        }
         if (callbackImmediately)
             this._didRemoveFromDebugger();
     },