Change var blah_blah -> blahBlah.

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

Index: chrome/browser/resources/options/chromeos/display_options.js
diff --git a/chrome/browser/resources/options/chromeos/display_options.js b/chrome/browser/resources/options/chromeos/display_options.js
index df1e0f26b475fc0aab10855868cbca448e9b52c2..71a54ba7772f5dc2a375d273b98fd6733c316e1b 100644
--- a/chrome/browser/resources/options/chromeos/display_options.js
+++ b/chrome/browser/resources/options/chromeos/display_options.js
@@ -212,10 +212,10 @@ cr.define('options', function() {
       // 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;
       }
 
@@ -356,22 +356,22 @@ cr.define('options', function() {
         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 ||
@@ -393,47 +393,47 @@ cr.define('options', function() {
               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:
+            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 (layoutToBase) {
         case SecondaryDisplayLayout.RIGHT:
-          layout_to_base = SecondaryDisplayLayout.LEFT;
+          draggingDiv.style.left =
+              baseDiv.offsetLeft + baseDiv.offsetWidth + 'px';
+          draggingDiv.style.top = newPosition.y + 'px';
           break;
         case SecondaryDisplayLayout.LEFT:
-          layout_to_base = SecondaryDisplayLayout.RIGHT;
+          draggingDiv.style.left =
+              baseDiv.offsetLeft - draggingDiv.offsetWidth + 'px';
+          draggingDiv.style.top = newPosition.y + 'px';
           break;
         case SecondaryDisplayLayout.TOP:
-          layout_to_base = SecondaryDisplayLayout.BOTTOM;
+          draggingDiv.style.top =
+              baseDiv.offsetTop - draggingDiv.offsetHeight + 'px';
+          draggingDiv.style.left = newPosition.x + 'px';
           break;
         case SecondaryDisplayLayout.BOTTOM:
-          layout_to_base = SecondaryDisplayLayout.TOP;
+          draggingDiv.style.top =
+              baseDiv.offsetTop + baseDiv.offsetHeight + 'px';
+          draggingDiv.style.left = newPosition.x + 'px';
           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;
       }
 
       return false;