Clean up JavaScript files to better follow coding standard.

src/d8.js

Index: src/d8.js
diff --git a/src/d8.js b/src/d8.js
index 3009037e788d4c0e8e601bbb60465659adab8fdb..45b5874bff4d6e97939b387f96f2b32dbfc78d7a 100644
--- a/src/d8.js
+++ b/src/d8.js
@@ -26,8 +26,9 @@
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 String.prototype.startsWith = function (str) {
-  if (str.length > this.length)
+  if (str.length > this.length) {
     return false;
+  }
   return this.substr(0, str.length) == str;
 }
 
@@ -52,8 +53,9 @@ function GetCompletions(global, last, full) {
   for (var i = 0; i < parts.length; i++) {
     var part = parts[i];
     var next = current[part];
-    if (!next)
+    if (!next) {
       return [];
+    }
     current = next;
   }
   var result = [];
@@ -63,8 +65,9 @@ function GetCompletions(global, last, full) {
     var properties = mirror.properties();
     for (var i = 0; i < properties.length; i++) {
       var name = properties[i].name();
-      if (typeof name === 'string' && name.startsWith(last))
+      if (typeof name === 'string' && name.startsWith(last)) {
         result.push(name);
+      }
     }
     current = ToInspectableObject(current.__proto__);
   }
@@ -150,7 +153,7 @@ function DebugMessageDetails(message) {
 }
 
 function DebugEventDetails(response) {
-  details = {text:'', running:false}
+  details = {text:'', running:false};
 
   // Get the running state.
   details.running = response.running();
@@ -536,7 +539,7 @@ RequestPacket.prototype.toJSONProtocol = function() {
     json += ',"arguments":';
     // Encode the arguments part.
     if (this.arguments.toJSONProtocol) {
-      json += this.arguments.toJSONProtocol()
+      json += this.arguments.toJSONProtocol();
     } else {
       json += SimpleObjectToJSON_(this.arguments);
     }
@@ -2738,7 +2741,7 @@ function SimpleObjectToJSON_(object) {
           if (property_value === null) {
             property_value_json = 'null';
           } else if (typeof property_value.toJSONProtocol == 'function') {
-            property_value_json = property_value.toJSONProtocol(true)
+            property_value_json = property_value.toJSONProtocol(true);
           } else if (property_value.constructor.name == 'Array'){
             property_value_json = SimpleArrayToJSON_(property_value);
           } else {
@@ -2789,7 +2792,7 @@ function SimpleArrayToJSON_(array) {
     }
     var elem = array[i];
     if (elem.toJSONProtocol) {
-      json += elem.toJSONProtocol(true)
+      json += elem.toJSONProtocol(true);
     } else if (typeof(elem) === 'object')  {
       json += SimpleObjectToJSON_(elem);
     } else if (typeof(elem) === 'boolean')  {