[Toolbar Mac UI] Simplify and correct omnibox pinning

chrome/browser/ui/cocoa/extensions/browser_actions_container_view.h

 // Copyright (c) 2010 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.
 
 #ifndef CHROME_BROWSER_UI_COCOA_EXTENSIONS_BROWSER_ACTIONS_CONTAINER_VIEW_
 #define CHROME_BROWSER_UI_COCOA_EXTENSIONS_BROWSER_ACTIONS_CONTAINER_VIEW_
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/mac/scoped_nsobject.h"
@@ skipping 28 matching lines @@
 // provides mechanisms for resizing.
 @interface BrowserActionsContainerView : NSView {
  @private
   // The frame encompasing the grippy used for resizing the container.
   NSRect grippyRect_;
 
   // Used to cache the original position within the container that initiated the
   // drag.
   NSPoint initialDragPoint_;
 
-  // Used to cache the previous x-pos of the frame rect for resizing purposes.
-  CGFloat lastXPos_;
-
   // The maximum width the container could want; i.e., the width required to
   // display all the icons.
   CGFloat maxDesiredWidth_;
 
   // Whether the container is currently being resized by the user.
   BOOL userIsResizing_;
 
   // Whether the user can resize this at all. Resizing is disabled in incognito
   // mode since any changes done in incognito mode are not saved anyway, and
   // also to avoid a crash. http://crbug.com/42848
@@ skipping 20 matching lines @@
   // The size delegate, if any.
   // Weak; delegate is responsible for adding/removing itself.
   BrowserActionsContainerViewSizeDelegate* sizeDelegate_;
 
   base::scoped_nsobject<NSViewAnimation> resizeAnimation_;
 }
 
 // Sets whether or not tracking (for mouseEntered events) is enabled.
 - (void)setTrackingEnabled:(BOOL)enabled;
 
-// Resizes the container to the given ideal width, adjusting the |lastXPos_| so
-// that |resizeDeltaX| is accurate.
+// Resizes the container to the given ideal width, optionally animating.
 - (void)resizeToWidth:(CGFloat)width animate:(BOOL)animate;
 
-// Returns the change in the x-pos of the frame rect during resizing. Meant to
-// be queried when a NSViewFrameDidChangeNotification is fired to determine
-// placement of surrounding elements.
-- (CGFloat)resizeDeltaX;
-
 // Returns the frame of the container after the running animation has finished.
 // If no animation is running, returns the container's current frame.
 - (NSRect)animationEndFrame;
 
 // Returns true if the view is animating.
 - (BOOL)isAnimating;
 
 // Stops any animation in progress.
 - (void)stopAnimation;
 
 @property(nonatomic) BOOL canDragLeft;
 @property(nonatomic) BOOL canDragRight;
 @property(nonatomic) BOOL grippyPinned;
 @property(nonatomic,getter=isResizable) BOOL resizable;
 @property(nonatomic) CGFloat maxDesiredWidth;
 @property(readonly, nonatomic) BOOL userIsResizing;
 @property(nonatomic) BrowserActionsContainerViewSizeDelegate* delegate;
 
 @end
 
 #endif  // CHROME_BROWSER_UI_COCOA_EXTENSIONS_BROWSER_ACTIONS_CONTAINER_VIEW_