Make more JS files beter match the coding standard.

test/mjsunit/debug-step-2.js

 // Copyright 2011 the V8 project authors. 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
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 13 matching lines @@
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 // Flags: --expose-debug-as debug
 
 // This test tests that full code compiled without debug break slots
 // is recompiled with debug break slots when debugging is started.
 
 // Get the Debug object exposed from the debug context global object.
-Debug = debug.Debug
+Debug = debug.Debug;
 
 var bp;
 var done = false;
 var step_count = 0;
 
 // Debug event listener which steps until the global variable done is true.
 function listener(event, exec_state, event_data, data) {
   if (event == Debug.DebugEvent.Break) {
     if (!done) exec_state.prepareStep(Debug.StepAction.StepNext);
     step_count++;
   }
-};
+}
 
 // Set the global variables state to prpare the stepping test.
 function prepare_step_test() {
   done = false;
   step_count = 0;
 }
 
 // Test function to step through.
 function f() {
   var i = 1;
   var j = 2;
   done = true;
-};
+}
 
 prepare_step_test();
 f();
 
 // Add the debug event listener.
 Debug.setListener(listener);
 
 bp = Debug.setBreakPoint(f, 1);
 
 prepare_step_test();
@@ skipping 10 matching lines @@
 assertEquals(4, step_count);
 
 // Clear the breakpoint and check that no stepping happens.
 Debug.clearBreakPoint(bp);
 prepare_step_test();
 f();
 assertEquals(0, step_count);
 
 // Get rid of the debug event listener.
 Debug.setListener(null);