Implement Instant on Mac

chrome/browser/tab_contents/tab_contents_view_mac.mm

 // 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.
 
 #import <Carbon/Carbon.h>
 
 #include "chrome/browser/tab_contents/tab_contents_view_mac.h"
 
 #include <string>
 
@@ skipping 62 matching lines @@
   // This handles the case where a renderer close call was deferred
   // while the user was operating a UI control which resulted in a
   // close.  In that case, the Cocoa view outlives the
   // TabContentsViewMac instance due to Cocoa retain count.
   [cocoa_view_ cancelDeferredClose];
 }
 
 void TabContentsViewMac::CreateView(const gfx::Size& initial_size) {
   TabContentsViewCocoa* view =
       [[TabContentsViewCocoa alloc] initWithTabContentsViewMac:this];
+  [view setAutoresizingMask:(NSViewWidthSizable | NSViewHeightSizable)];
   cocoa_view_.reset(view);
 }
 
 RenderWidgetHostView* TabContentsViewMac::CreateViewForWidget(
     RenderWidgetHost* render_widget_host) {
   if (render_widget_host->view()) {
     // During testing, the view will already be set up in most cases to the
     // test view, so we don't want to clobber it with a real one. To verify that
     // this actually is happening (and somebody isn't accidentally creating the
     // view twice), we check for the RVH Factory, which will be set when we're
@@ skipping 371 matching lines @@
   [NSObject cancelPreviousPerformRequestsWithTarget:self
                                            selector:aSel
                                              object:nil];
 }
 
 - (void)closeTabAfterEvent {
   tabContentsView_->CloseTab();
 }
 
 @end