Revert "Create only a single LegacyRenderWidgetHostHWND per WebContentsViewAura."

content/browser/renderer_host/legacy_render_widget_host_win_delegate.h

Index: content/browser/renderer_host/legacy_render_widget_host_win_delegate.h
diff --git a/content/browser/renderer_host/legacy_render_widget_host_win_delegate.h b/content/browser/renderer_host/legacy_render_widget_host_win_delegate.h
deleted file mode 100644
index a94d81e09398bc563d3eb4e01cbce848d21cd13a..0000000000000000000000000000000000000000
--- a/content/browser/renderer_host/legacy_render_widget_host_win_delegate.h
+++ /dev/null
@@ -1,26 +0,0 @@
-// Copyright (c) 2014 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.
-
-#ifndef CONTENT_BROWSER_RENDERER_HOST_LEGACY_RENDER_WIDGET_HOST_WIN_DELEGATE_H_
-#define CONTENT_BROWSER_RENDERER_HOST_LEGACY_RENDER_WIDGET_HOST_WIN_DELEGATE_H_
-
-#include "content/common/content_export.h"
-#include "ui/gfx/native_widget_types.h"
-
-namespace content {
-
-// A delegate interface for LegacyRenderWidgetHostHWND to query the
-// native view accessible from the owner class.
-class CONTENT_EXPORT LegacyRenderWidgetHostHWNDDelegate {
- public:
-  // Get the native view accessible for the web contents.
-  // Once initialized, this should always return a valid object, but the
-  // object may change as the user navigates.
-  virtual gfx::NativeViewAccessible GetNativeViewAccessible() = 0;
-};
-
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_RENDERER_HOST_LEGACY_RENDER_WIDGET_HOST_WIN_DELEGATE_H_