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

chrome/browser/media/window_icon_util_mac.mm

-// 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 <ApplicationServices/ApplicationServices.h>
-#include <Cocoa/Cocoa.h>
-#include <CoreFoundation/CoreFoundation.h>
-
-#include "third_party/libyuv/include/libyuv/convert_argb.h"
-
-gfx::ImageSkia GetWindowIcon(content::DesktopMediaID id) {
-  DCHECK(id.type == content::DesktopMediaID::TYPE_WINDOW);
-
-  CGWindowID ids[1];
-  ids[0] = id.id;
-  CFArrayRef window_id_array =
-      CFArrayCreate(nullptr, reinterpret_cast<const void**>(&ids), 1, nullptr);
-  CFArrayRef window_array =
-      CGWindowListCreateDescriptionFromArray(window_id_array);
-  if (!window_array || 0 == CFArrayGetCount(window_array)) {
-    return gfx::ImageSkia();
-  }
-
-  CFDictionaryRef window = reinterpret_cast<CFDictionaryRef>(
-      CFArrayGetValueAtIndex(window_array, 0));
-  CFNumberRef pid_ref = reinterpret_cast<CFNumberRef>(
-      CFDictionaryGetValue(window, kCGWindowOwnerPID));
-
-  int pid;
-  CFNumberGetValue(pid_ref, kCFNumberIntType, &pid);
-
-  NSImage* icon_image =
-      [[NSRunningApplication runningApplicationWithProcessIdentifier:pid] icon];
-
-  int width = [icon_image size].width;
-  int height = [icon_image size].height;
-
-  CGImageRef cg_icon_image =
-      [icon_image CGImageForProposedRect:nil context:nil hints:nil];
-
-  int bits_per_pixel = CGImageGetBitsPerPixel(cg_icon_image);
-  if (bits_per_pixel != 32) {
-    return gfx::ImageSkia();
-  }
-
-  CGDataProviderRef provider = CGImageGetDataProvider(cg_icon_image);
-  CFDataRef cf_data = CGDataProviderCopyData(provider);
-
-  int src_stride = CGImageGetBytesPerRow(cg_icon_image);
-  const uint8_t* src_data = CFDataGetBytePtr(cf_data);
-
-  SkBitmap result;
-  result.allocN32Pixels(width, height, false);
-  result.lockPixels();
-
-  uint8_t* pixels_data = reinterpret_cast<uint8_t*>(result.getPixels());
-
-  libyuv::ABGRToARGB(src_data, src_stride, pixels_data, result.rowBytes(),
-                     width, height);
-
-  CFRelease(cf_data);
-
-  return gfx::ImageSkia::CreateFrom1xBitmap(result);
-}