Make more JS files beter match the coding standard.

test/mjsunit/debug-step.js

 // Copyright 2008 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
 //       with the distribution.
 //     * Neither the name of Google Inc. nor the names of its
 //       contributors may be used to endorse or promote products derived
 //       from this software without specific prior written permission.
 //
 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 // 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
 // Get the Debug object exposed from the debug context global object.
-Debug = debug.Debug
+Debug = debug.Debug;
 
 // Simple debug event handler which first time hit will perform 1000 steps and
 // second time hit will evaluate and store the value of "i". If requires that
 // the global property "state" is initially zero.
 
 var bp1, bp2;
 
 function listener(event, exec_state, event_data, data) {
   if (event == Debug.DebugEvent.Break) {
     if (state == 0) {
       exec_state.prepareStep(Debug.StepAction.StepIn, 1000);
       state = 1;
     } else if (state == 1) {
       result = exec_state.frame().evaluate("i").value();
       // Clear the break point on line 2 if set.
       if (bp2) {
         Debug.clearBreakPoint(bp2);
       }
     }
   }
-};
+}
 
 // Add the debug event listener.
 Debug.setListener(listener);
 
 // Test debug event for break point.
 function f() {
   var i;                        // Line 1.
   for (i = 0; i < 1000; i++) {  // Line 2.
     x = 1;                      // Line 3.
   }
-};
+}
 
 // Set a breakpoint on the for statement (line 1).
 bp1 = Debug.setBreakPoint(f, 1);
 
 // Check that performing 1000 steps will make i 499.
 state = 0;
 result = -1;
 f();
 assertEquals(499, result);
 
 // Check that performing 1000 steps with a break point on the statement in the
 // for loop (line 2) will only make i 0 as a real break point breaks even when
 // multiple steps have been requested.
 state = 0;
 result = -1;
 bp2 = Debug.setBreakPoint(f, 3);
 f();
 assertEquals(0, result);
 
 // Get rid of the debug event listener.
 Debug.setListener(null);