DevTools: use semicolons after each statement.

third_party/WebKit/Source/devtools/front_end/ui/DropDownMenu.js

Index: third_party/WebKit/Source/devtools/front_end/ui/DropDownMenu.js
diff --git a/third_party/WebKit/Source/devtools/front_end/ui/DropDownMenu.js b/third_party/WebKit/Source/devtools/front_end/ui/DropDownMenu.js
index 02691d065f2349cfffec6b83a4880125a7fd3a62..7927fbff7480f762523c6c060d9d359823021e7e 100644
--- a/third_party/WebKit/Source/devtools/front_end/ui/DropDownMenu.js
+++ b/third_party/WebKit/Source/devtools/front_end/ui/DropDownMenu.js
@@ -13,7 +13,7 @@ WebInspector.DropDownMenu = function(element)
     this._items = [];
 
     element.addEventListener("mousedown", this._onMouseDown.bind(this));
-}
+};
 
 /** @typedef {{id: string, title: string}} */
 WebInspector.DropDownMenu.Item;
@@ -21,7 +21,7 @@ WebInspector.DropDownMenu.Item;
 /** @enum {symbol} */
 WebInspector.DropDownMenu.Events = {
     ItemSelected: Symbol("ItemSelected")
-}
+};
 
 WebInspector.DropDownMenu.prototype = {
     /**
@@ -69,4 +69,4 @@ WebInspector.DropDownMenu.prototype = {
     },
 
     __proto__: WebInspector.Object.prototype
-}
+};