[Cocoa] Make TabContentsContainerView more testable for interactive_ui_tests.

chrome/browser/renderer_host/chrome_render_widget_host_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/renderer_host/chrome_render_widget_host_view_mac_delegate.h"
 
 #include <cmath>
 
 #include "base/prefs/pref_service.h"
 #include "base/strings/sys_string_conversions.h"
 #include "chrome/browser/devtools/devtools_window.h"
 #include "chrome/browser/profiles/profile.h"
 #import "chrome/browser/renderer_host/chrome_render_widget_host_view_mac_history_swiper.h"
 #include "chrome/browser/spellchecker/spellcheck_platform_mac.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_commands.h"
 #include "chrome/browser/ui/browser_finder.h"
 #import "chrome/browser/ui/cocoa/browser_window_controller.h"
-#import "chrome/browser/ui/cocoa/view_id_util.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/spellcheck_messages.h"
 #include "chrome/common/url_constants.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/render_widget_host.h"
 #include "content/public/browser/render_widget_host_view.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_observer.h"
 
@@ skipping 39 matching lines @@
 };
 
 }  // namespace ChromeRenderWidgetHostViewMacDelegateInternal
 
 @implementation ChromeRenderWidgetHostViewMacDelegate
 
 - (id)initWithRenderWidgetHost:(content::RenderWidgetHost*)renderWidgetHost {
   self = [super init];
   if (self) {
     renderWidgetHost_ = renderWidgetHost;
-    // if |renderWidgetHost_| belongs to a BrowserPluginGuest, then it won't
-    // have a view yet.
-    if (renderWidgetHost_->GetView()) {
-      NSView* nativeView = renderWidgetHost_->GetView()->GetNativeView();
-      view_id_util::SetID(nativeView, VIEW_ID_TAB_CONTAINER);
-    }
-
     if (renderWidgetHost_->IsRenderView()) {
       spellingObserver_.reset(
           new ChromeRenderWidgetHostViewMacDelegateInternal::SpellCheckObserver(
               RenderViewHost::From(renderWidgetHost_), self));
     }
 
     historySwiper_.reset([[HistorySwiper alloc] initWithDelegate:self]);
   }
   return self;
 }
 
 - (void)dealloc {
   [historySwiper_ setDelegate:nil];
   [super dealloc];
 }
 
-- (void)viewGone:(NSView*)view {
-  view_id_util::UnsetID(view);
-}
-
 // Handle an event. All incoming key and mouse events flow through this
 // delegate method if implemented. Return YES if the event is fully handled, or
 // NO if normal processing should take place.
 - (BOOL)handleEvent:(NSEvent*)event {
   return [historySwiper_ handleEvent:event];
 }
 
 // NSWindow events.
 
 - (void)beginGestureWithEvent:(NSEvent*)event {
@@ skipping 143 matching lines @@
 }
 
 - (void)spellCheckEnabled:(BOOL)enabled checked:(BOOL)checked {
   spellcheckEnabled_ = enabled;
   spellcheckChecked_ = checked;
 }
 
 // END Spellchecking methods
 
 @end