Crash test case:

1. Open page with javascript
2. Add breakpoint
3. Stop on breakpoint
4. Use live edit and save script
The test worked for Chromium revision until May 30.

Review URL: https://codereview.chromium.org/329533002

git-svn-id: svn://svn.chromium.org/blink/trunk@176101 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/LayoutTests/inspector/sources/debugger/live-edit-expected.txt

@@ -35,3 +35,7 @@ Script execution resumed.
 
 Running: testBreakpointsUpdated
 
+Running: testNoCrashWhenLiveEditOnBreakpoint
+Script execution paused.
+Script execution resumed.
+

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

@@ -119,6 +119,38 @@ function test()
                     InspectorTest.assertEquals("5", lineNumber);
                 next();
             }
+        },
+
+        function testNoCrashWhenLiveEditOnBreakpoint(next) 
+        {
+            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);
-        
     }
 };