DevTools: Added test that LiveEdit doesn't crash on breakpoint

LayoutTests/inspector/sources/debugger/live-edit.html

Index: LayoutTests/inspector/sources/debugger/live-edit.html
diff --git a/LayoutTests/inspector/sources/debugger/live-edit.html b/LayoutTests/inspector/sources/debugger/live-edit.html
index 6e864fed2f34f93ee12a8e0943e8a03d55a65d18..1c66a19cae8622372a8eef5090ca2b45a8f259e5 100644
--- a/LayoutTests/inspector/sources/debugger/live-edit.html
+++ b/LayoutTests/inspector/sources/debugger/live-edit.html
@@ -119,6 +119,38 @@ function test()
                     InspectorTest.assertEquals("5", lineNumber);
                 next();
             }
+        },
+
+        function testNoCrashWhenUpdateOnBreakpoint(next) 

[vsevik, 2014/06/10 15:29:56]

nit: ..WhenLiveEditOnBreakpoint...

+        {
+            InspectorTest.showScriptSource("edit-me.js", didShowScriptSource);
+
+            function didShowScriptSource(sourceFrame)
+            {
+                InspectorTest.addSniffer(sourceFrame, "_addBreakpointDecoration", breakpointAdded);
+                InspectorTest.setBreakpoint(sourceFrame, 3, "", true);
+            }
+
+            function breakpointAdded()
+            {
+                InspectorTest.waitUntilPaused(pausedInF);
+                InspectorTest.evaluateInPageWithTimeout("f()");
+            }
+
+            function pausedInF(callFrames)
+            {
+                replaceInSource(panel.visibleView, "function f()", "function f()\n", didEditScriptSource);
+            }
+
+            function didEditScriptSource()
+            {
+                InspectorTest.resumeExecution(resumed);                      
+            } 
+
+            function resumed()
+            {
+                next();            
+            }           
         }
     ]);
 
@@ -127,7 +159,6 @@ function test()
         InspectorTest.addSniffer(WebInspector.debuggerModel, "_didEditScriptSource", callback);
         InspectorTest.replaceInSource(sourceFrame, string, replacement);
         InspectorTest.commitSource(sourceFrame);
-        
     }
 };