Change var blah_blah -> blahBlah.

chrome/browser/resources/options/chromeos/display_options.js

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 cr.define('options', function() {
   var OptionsPage = options.OptionsPage;
 
   // The scale ratio of the display rectangle to its original size.
   /** @const */ var VISUAL_SCALE = 1 / 10;
 
@@ skipping 194 matching lines @@
     onTouchMove_: function(e) {
       if (e.touches.length != 1)
         return true;
 
       var touchLocation = {x: e.touches[0].pageX, y: e.touches[0].pageY};
       // Touch move events happen even if the touch location doesn't change, but
       // it doesn't need to process the dragging.  Since sometimes the touch
       // position changes slightly even though the user doesn't think to move
       // the finger, very small move is just ignored.
       /** @const */ var IGNORABLE_TOUCH_MOVE_PX = 1;
-      var x_diff = Math.abs(touchLocation.x - this.lastTouchLocation_.x);
-      var y_diff = Math.abs(touchLocation.y - this.lastTouchLocation_.y);
-      if (x_diff <= IGNORABLE_TOUCH_MOVE_PX &&
-          y_diff <= IGNORABLE_TOUCH_MOVE_PX) {
+      var xDiff = Math.abs(touchLocation.x - this.lastTouchLocation_.x);
+      var yDiff = Math.abs(touchLocation.y - this.lastTouchLocation_.y);
+      if (xDiff <= IGNORABLE_TOUCH_MOVE_PX &&
+          yDiff <= IGNORABLE_TOUCH_MOVE_PX) {
         return true;
       }
 
       this.lastTouchLocation_ = touchLocation;
       return this.processDragging_(e, touchLocation);
     },
 
     /**
      * Mouse down handler for dragging display rectangle.
      * @param {Event} e The mouse down event.
@@ skipping 120 matching lines @@
         y: newPosition.y + draggingDiv.offsetHeight / 2
       };
 
       var baseBounds = {
         x: baseDiv.offsetLeft,
         y: baseDiv.offsetTop,
         width: baseDiv.offsetWidth,
         height: baseDiv.offsetHeight
       };
       switch (getPositionToRectangle(baseBounds, newCenter)) {
-      case SecondaryDisplayLayout.RIGHT:
-        this.layout_ = this.dragging_.display.isPrimary ?
-            SecondaryDisplayLayout.LEFT : SecondaryDisplayLayout.RIGHT;
-        break;
-      case SecondaryDisplayLayout.LEFT:
-        this.layout_ = this.dragging_.display.isPrimary ?
-            SecondaryDisplayLayout.RIGHT : SecondaryDisplayLayout.LEFT;
-        break;
-      case SecondaryDisplayLayout.TOP:
-        this.layout_ = this.dragging_.display.isPrimary ?
-            SecondaryDisplayLayout.BOTTOM : SecondaryDisplayLayout.TOP;
-        break;
-      case SecondaryDisplayLayout.BOTTOM:
-        this.layout_ = this.dragging_.display.isPrimary ?
-            SecondaryDisplayLayout.TOP : SecondaryDisplayLayout.BOTTOM;
-        break;
+        case SecondaryDisplayLayout.RIGHT:
+          this.layout_ = this.dragging_.display.isPrimary ?
+              SecondaryDisplayLayout.LEFT : SecondaryDisplayLayout.RIGHT;
+          break;
+        case SecondaryDisplayLayout.LEFT:
+          this.layout_ = this.dragging_.display.isPrimary ?
+              SecondaryDisplayLayout.RIGHT : SecondaryDisplayLayout.LEFT;
+          break;
+        case SecondaryDisplayLayout.TOP:
+          this.layout_ = this.dragging_.display.isPrimary ?
+              SecondaryDisplayLayout.BOTTOM : SecondaryDisplayLayout.TOP;
+          break;
+        case SecondaryDisplayLayout.BOTTOM:
+          this.layout_ = this.dragging_.display.isPrimary ?
+              SecondaryDisplayLayout.TOP : SecondaryDisplayLayout.BOTTOM;
+          break;
       }
 
       if (this.layout_ == SecondaryDisplayLayout.LEFT ||
           this.layout_ == SecondaryDisplayLayout.RIGHT) {
         if (newPosition.y > baseDiv.offsetTop + baseDiv.offsetHeight)
           this.layout_ = this.dragging_.display.isPrimary ?
               SecondaryDisplayLayout.TOP : SecondaryDisplayLayout.BOTTOM;
         else if (newPosition.y + draggingDiv.offsetHeight <
                  baseDiv.offsetTop)
           this.layout_ = this.dragging_.display.isPrimary ?
               SecondaryDisplayLayout.BOTTOM : SecondaryDisplayLayout.TOP;
       } else {
         if (newPosition.y > baseDiv.offsetLeft + baseDiv.offsetWidth)
           this.layout_ = this.dragging_.display.isPrimary ?
               SecondaryDisplayLayout.LEFT : SecondaryDisplayLayout.RIGHT;
         else if (newPosition.y + draggingDiv.offsetWidth <
                    baseDiv.offstLeft)
           this.layout_ = this.dragging_.display.isPrimary ?
               SecondaryDisplayLayout.RIGHT : SecondaryDisplayLayout.LEFT;
       }
 
-      var layout_to_base;
+      var layoutToBase;
       if (!this.dragging_.display.isPrimary) {
-        layout_to_base = this.layout_;
+        layoutToBase = this.layout_;
       } else {
         switch (this.layout_) {
-        case SecondaryDisplayLayout.RIGHT:
-          layout_to_base = SecondaryDisplayLayout.LEFT;
-          break;
-        case SecondaryDisplayLayout.LEFT:
-          layout_to_base = SecondaryDisplayLayout.RIGHT;
-          break;
-        case SecondaryDisplayLayout.TOP:
-          layout_to_base = SecondaryDisplayLayout.BOTTOM;
-          break;
-        case SecondaryDisplayLayout.BOTTOM:
-          layout_to_base = SecondaryDisplayLayout.TOP;
-          break;
+          case SecondaryDisplayLayout.RIGHT:
+            layoutToBase = SecondaryDisplayLayout.LEFT;
+            break;
+          case SecondaryDisplayLayout.LEFT:
+            layoutToBase = SecondaryDisplayLayout.RIGHT;
+            break;
+          case SecondaryDisplayLayout.TOP:
+            layoutToBase = SecondaryDisplayLayout.BOTTOM;
+            break;
+          case SecondaryDisplayLayout.BOTTOM:
+            layoutToBase = SecondaryDisplayLayout.TOP;
+            break;
         }
       }
 
-      switch (layout_to_base) {
-      case SecondaryDisplayLayout.RIGHT:
-        draggingDiv.style.left =
-            baseDiv.offsetLeft + baseDiv.offsetWidth + 'px';
-        draggingDiv.style.top = newPosition.y + 'px';
-        break;
-      case SecondaryDisplayLayout.LEFT:
-        draggingDiv.style.left =
-            baseDiv.offsetLeft - draggingDiv.offsetWidth + 'px';
-        draggingDiv.style.top = newPosition.y + 'px';
-        break;
-      case SecondaryDisplayLayout.TOP:
-        draggingDiv.style.top =
-            baseDiv.offsetTop - draggingDiv.offsetHeight + 'px';
-        draggingDiv.style.left = newPosition.x + 'px';
-        break;
-      case SecondaryDisplayLayout.BOTTOM:
-        draggingDiv.style.top =
-            baseDiv.offsetTop + baseDiv.offsetHeight + 'px';
-        draggingDiv.style.left = newPosition.x + 'px';
-        break;
+      switch (layoutToBase) {
+        case SecondaryDisplayLayout.RIGHT:
+          draggingDiv.style.left =
+              baseDiv.offsetLeft + baseDiv.offsetWidth + 'px';
+          draggingDiv.style.top = newPosition.y + 'px';
+          break;
+        case SecondaryDisplayLayout.LEFT:
+          draggingDiv.style.left =
+              baseDiv.offsetLeft - draggingDiv.offsetWidth + 'px';
+          draggingDiv.style.top = newPosition.y + 'px';
+          break;
+        case SecondaryDisplayLayout.TOP:
+          draggingDiv.style.top =
+              baseDiv.offsetTop - draggingDiv.offsetHeight + 'px';
+          draggingDiv.style.left = newPosition.x + 'px';
+          break;
+        case SecondaryDisplayLayout.BOTTOM:
+          draggingDiv.style.top =
+              baseDiv.offsetTop + baseDiv.offsetHeight + 'px';
+          draggingDiv.style.left = newPosition.x + 'px';
+          break;
       }
 
       return false;
     },
 
     /**
      * start dragging of a display rectangle.
      * @param {HTMLElement} target The event target.
      * @param {Object} eventLocation The object to hold the location where
      *     this event happens.
@@ skipping 326 matching lines @@
       mirroring, displays, layout, offset) {
     DisplayOptions.getInstance().onDisplayChanged_(
         mirroring, displays, layout, offset);
   };
 
   // Export
   return {
     DisplayOptions: DisplayOptions
   };
 });