Remove WebContents methods that duplicate WebContentsView methods.

chrome/browser/ui/cocoa/tab_contents/tab_contents_controller.mm

 // Copyright (c) 2012 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/ui/cocoa/tab_contents/tab_contents_controller.h"
 
 #include <utility>
 
 #include "base/memory/scoped_nsobject.h"
 #include "content/public/browser/render_view_host.h"
@@ skipping 22 matching lines @@
 
 - (void)loadView {
   scoped_nsobject<NSView> view([[NSView alloc] initWithFrame:NSZeroRect]);
   [view setAutoresizingMask:NSViewHeightSizable|NSViewWidthSizable];
   [self setView:view];
 }
 
 - (void)ensureContentsSizeDoesNotChange {
   NSView* contentsContainer = [self view];
   NSArray* subviews = [contentsContainer subviews];
-  if ([subviews count] > 0)
-    [contents_->GetNativeView() setAutoresizingMask:NSViewNotSizable];
+  if ([subviews count] > 0) {
+    [contents_->GetView()->GetNativeView()
+        setAutoresizingMask:NSViewNotSizable];
+  }
 }
 
 // Call when the tab view is properly sized and the render widget host view
 // should be put into the view hierarchy.
 - (void)ensureContentsVisible {
   if (!contents_)
     return;
   NSView* contentsContainer = [self view];
   NSArray* subviews = [contentsContainer subviews];
-  NSView* contentsNativeView = contents_->GetNativeView();
+  NSView* contentsNativeView = contents_->GetView()->GetNativeView();
   [contentsNativeView setFrame:[contentsContainer frame]];
   if ([subviews count] == 0) {
     [contentsContainer addSubview:contentsNativeView];
   } else if ([subviews objectAtIndex:0] != contentsNativeView) {
     [contentsContainer replaceSubview:[subviews objectAtIndex:0]
                                  with:contentsNativeView];
   }
   [contentsNativeView setAutoresizingMask:NSViewWidthSizable|
                                           NSViewHeightSizable];
   // The find bar will overlap the content's view when it comes out; inform
@@ skipping 31 matching lines @@
   // Calling setContentView: here removes any first responder status
   // the view may have, so avoid changing the view hierarchy unless
   // the view is different.
   if ([self webContents] != updatedContents) {
     contents_ = updatedContents;
     [self ensureContentsVisible];
   }
 }
 
 @end