Don't install the RWHVMac into the view hierarchy until everything has been p...

chrome/browser/cocoa/tab_contents_controller.mm

 // Copyright (c) 2009 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 "chrome/browser/cocoa/tab_contents_controller.h"
 
 #include "base/mac_util.h"
 #include "base/sys_string_conversions.h"
 #include "chrome/browser/bookmarks/bookmark_model.h"
 #include "chrome/browser/tab_contents/tab_contents.h"
 
 @implementation TabContentsController
 
 - (id)initWithNibName:(NSString*)name
              contents:(TabContents*)contents {
   if ((self = [super initWithNibName:name
                               bundle:mac_util::MainAppBundle()])) {
     contents_ = contents;
   }
   return self;
 }
 
 - (void)dealloc {
   // make sure our contents have been removed from the window
   [[self view] removeFromSuperview];
   [super dealloc];
 }
 
-- (void)awakeFromNib {
+// Call when the tab view is properly sized and the render widget host view
+// should be put into the view hierarchy.
+- (void)ensureContentsVisible {
   [contentsBox_ setContentView:contents_->GetNativeView()];
 }
 
 // Returns YES if the tab represented by this controller is the front-most.
 - (BOOL)isCurrentTab {
   // We're the current tab if we're in the view hierarchy, otherwise some other
   // tab is.
   return [[self view] superview] ? YES : NO;
 }
 
 - (void)willBecomeSelectedTab {
 }
 
 - (void)tabDidChange:(TabContents*)updatedContents {
   // Calling setContentView: here removes any first responder status
   // the view may have, so avoid changing the view hierarchy unless
   // the view is different.
   if (contents_ != updatedContents) {
     contents_ = updatedContents;
     [contentsBox_ setContentView:contents_->GetNativeView()];
   }
 }
 
 @end