Rewrites the Mac view resizing logic to have the BrowserWindowController...

chrome/browser/cocoa/download_shelf_controller.h

Index: chrome/browser/cocoa/download_shelf_controller.h
===================================================================
--- chrome/browser/cocoa/download_shelf_controller.h	(revision 22499)
+++ chrome/browser/cocoa/download_shelf_controller.h	(working copy)
@@ -6,6 +6,7 @@
 
 #include "base/scoped_nsobject.h"
 #include "base/scoped_ptr.h"
+#import "chrome/browser/cocoa/view_resizer.h"
 
 class BaseDownloadItemModel;
 class Browser;
@@ -38,14 +39,9 @@
 
   IBOutlet NSImageView* image_;
 
-  // Currently these two are always the same, but they mean slightly different
-  // things. |contentAreaHasOffset_| is an implementation detail of the download
-  // shelf visibility.
-  BOOL contentAreaHasOffset_;
   BOOL barIsVisible_;
 
   scoped_ptr<DownloadShelf> bridge_;
-  NSView* contentArea_;  // the browser's content area
   float shelfHeight_;
 
   // The download items we have added to our shelf.
@@ -53,9 +49,13 @@
 
   // The container that contains (and clamps) all the download items.
   IBOutlet NSView* itemContainerView_;
+
+  // Delegate that handles resizing our view.
+  id<ViewResizer> resizeDelegate_;
 };
 
-- (id)initWithBrowser:(Browser*)browser contentArea:(NSView*)content;
+- (id)initWithBrowser:(Browser*)browser
+       resizeDelegate:(id<ViewResizer>)resizeDelegate;
 
 - (DownloadShelf*)bridge;
 - (BOOL)isVisible;
@@ -67,9 +67,6 @@
 
 - (void)addDownloadItem:(BaseDownloadItemModel*)model;
 
-// Resizes the download shelf based on the state of the content area.
-- (void)resizeDownloadShelf;
-
 // Remove a download, possibly via clearing browser data.
 - (void)remove:(DownloadItemController*)download;