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

chrome/browser/media/window_icon_util_x11.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 <X11/Xatom.h>
-#include <X11/Xutil.h>
-
-#include "ui/gfx/x/x11_error_tracker.h"
-#include "ui/gfx/x/x11_types.h"
-
-gfx::ImageSkia GetWindowIcon(content::DesktopMediaID id) {
-  DCHECK(id.type == content::DesktopMediaID::TYPE_WINDOW);
-
-  Display* display = gfx::GetXDisplay();
-  Atom property = XInternAtom(display, "_NET_WM_ICON", True);
-  Atom actual_type;
-  int actual_format;
-  unsigned long bytes_after;  // NOLINT: type required by XGetWindowProperty
-  unsigned long size;
-  long* data;
-
-  // The |error_tracker| essentially provides an empty X error handler for
-  // the call of XGetWindowProperty. The motivation is to guard against crash
-  // for any reason that XGetWindowProperty fails. For example, at the time that
-  // XGetWindowProperty is called, the window handler (a.k.a |id.id|) may
-  // already be invalid due to the fact that the end user has closed the
-  // corresponding window, etc.
-  std::unique_ptr<gfx::X11ErrorTracker> error_tracker(
-      new gfx::X11ErrorTracker());
-  int status = XGetWindowProperty(display, id.id, property, 0L, ~0L, False,
-                                  AnyPropertyType, &actual_type, &actual_format,
-                                  &size, &bytes_after,
-                                  reinterpret_cast<unsigned char**>(&data));
-  error_tracker.reset();
-
-  if (status != Success) {
-    return gfx::ImageSkia();
-  }
-
-  // The format of |data| is concatenation of sections like
-  // [width, height, pixel data of size width * height], and the total bytes
-  // number of |data| is |size|. And here we are picking the largest icon.
-  int width = 0;
-  int height = 0;
-  int start = 0;
-  int i = 0;
-  while (i + 1 < static_cast<int>(size)) {
-    if ((i == 0 || static_cast<int>(data[i] * data[i + 1]) > width * height) &&
-        (i + 1 + data[i] * data[i + 1] < static_cast<int>(size))) {
-      width = static_cast<int>(data[i]);
-      height = static_cast<int>(data[i + 1]);
-      start = i + 2;
-    }
-    i = i + 2 + static_cast<int>(data[i] * data[i + 1]);
-  }
-
-  SkBitmap result;
-  SkImageInfo info = SkImageInfo::MakeN32(width, height, kUnpremul_SkAlphaType);
-  result.allocPixels(info);
-  result.lockPixels();
-
-  uint32_t* pixels_data = reinterpret_cast<uint32_t*>(result.getPixels());
-
-  for (long y = 0; y < height; ++y) {
-    for (long x = 0; x < width; ++x) {
-      pixels_data[result.rowBytesAsPixels() * y + x] =
-          static_cast<uint32_t>(data[start + width * y + x]);
-    }
-  }
-
-  XFree(data);
-  return gfx::ImageSkia::CreateFrom1xBitmap(result);
-}