Move creation of content TabContentsViews to content so that we can hide these headers through DEPS…

chrome/browser/tab_contents/chrome_web_contents_view_mac_delegate.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/tab_contents/chrome_web_contents_view_mac_delegate.h"
-
-#import "chrome/browser/renderer_host/chrome_render_widget_host_view_mac_delegate.h"
-#include "chrome/browser/tab_contents/render_view_context_menu_mac.h"
-#include "chrome/browser/tab_contents/web_drag_bookmark_handler_mac.h"
-#import "chrome/browser/ui/cocoa/view_id_util.h"
-#include "content/public/browser/render_widget_host_view.h"
-#include "content/public/browser/web_contents.h"
-
-namespace chrome_web_contents_view_mac_delegate {
-content::WebContentsViewMacDelegate* CreateWebContentsViewMacDelegate(
-    content::WebContents* web_contents) {
-  return new ChromeWebContentsViewMacDelegate(web_contents);
-}
-}
-
-ChromeWebContentsViewMacDelegate::ChromeWebContentsViewMacDelegate(
-    content::WebContents* web_contents)
-    : bookmark_handler_(new WebDragBookmarkHandlerMac),
-      web_contents_(web_contents) {
-}
-
-ChromeWebContentsViewMacDelegate::~ChromeWebContentsViewMacDelegate() {
-}
-
-NSObject<RenderWidgetHostViewMacDelegate>*
-ChromeWebContentsViewMacDelegate::CreateRenderWidgetHostViewDelegate(
-    content::RenderWidgetHost* render_widget_host) {
-  return [[ChromeRenderWidgetHostViewMacDelegate alloc]
-      initWithRenderWidgetHost:render_widget_host];
-}
-
-content::WebDragDestDelegate* ChromeWebContentsViewMacDelegate::DragDelegate() {
-  return static_cast<content::WebDragDestDelegate*>(bookmark_handler_.get());
-}
-
-void ChromeWebContentsViewMacDelegate::ShowContextMenu(
-    const content::ContextMenuParams& params) {
-  // The renderer may send the "show context menu" message multiple times, one
-  // for each right click mouse event it receives. Normally, this doesn't happen
-  // because mouse events are not forwarded once the context menu is showing.
-  // However, there's a race - the context menu may not yet be showing when
-  // the second mouse event arrives. In this case, |ShowContextMenu()| will
-  // get called multiple times - if so, don't create another context menu.
-  // TODO(asvitkine): Fix the renderer so that it doesn't do this.
-  content::RenderWidgetHostView* widget_view =
-      web_contents_->GetRenderWidgetHostView();
-  if (widget_view && widget_view->IsShowingContextMenu())
-    return;
-
-  context_menu_.reset(
-      new RenderViewContextMenuMac(web_contents_,
-                                   params,
-                                   web_contents_->GetContentNativeView()));
-  context_menu_->Init();
-}
-
-void ChromeWebContentsViewMacDelegate::NativeViewCreated(NSView* view) {
-  view_id_util::SetID(view, VIEW_ID_TAB_CONTAINER);
-}
-
-void ChromeWebContentsViewMacDelegate::NativeViewDestroyed(NSView* view) {
-  view_id_util::UnsetID(view);
-}