Cleanup: move WebRTC related files from chrome/browser/media to chrome/browser/media/webrtc/

chrome/browser/media/window_icon_util_win.cc

-// Copyright 2016 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.
-
-#include "chrome/browser/media/window_icon_util.h"
-
-#include "ui/gfx/icon_util.h"
-
-gfx::ImageSkia GetWindowIcon(content::DesktopMediaID id) {
-  DCHECK(id.type == content::DesktopMediaID::TYPE_WINDOW);
-
-  HWND hwnd = reinterpret_cast<HWND>(id.id);
-
-  HICON icon_handle =
-      reinterpret_cast<HICON>(SendMessage(hwnd, WM_GETICON, ICON_BIG, 0));
-
-  if (!icon_handle)
-    icon_handle = reinterpret_cast<HICON>(GetClassLongPtr(hwnd, GCLP_HICON));
-
-  if (!icon_handle) {
-    icon_handle =
-        reinterpret_cast<HICON>(SendMessage(hwnd, WM_GETICON, ICON_SMALL, 0));
-  }
-
-  if (!icon_handle) {
-    icon_handle =
-        reinterpret_cast<HICON>(SendMessage(hwnd, WM_GETICON, ICON_SMALL2, 0));
-  }
-
-  if (!icon_handle)
-    icon_handle = reinterpret_cast<HICON>(GetClassLongPtr(hwnd, GCLP_HICONSM));
-
-  if (!icon_handle)
-    return gfx::ImageSkia();
-
-  std::unique_ptr<SkBitmap> icon_bitmap(
-      IconUtil::CreateSkBitmapFromHICON(icon_handle));
-
-  return gfx::ImageSkia::CreateFrom1xBitmap(*icon_bitmap);
-}