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

chrome/browser/media/tab_desktop_media_list.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/tab_desktop_media_list.h"
-
-#include "base/hash.h"
-#include "base/threading/sequenced_worker_pool.h"
-#include "chrome/browser/profiles/profile_manager.h"
-#include "chrome/browser/ui/browser.h"
-#include "chrome/browser/ui/browser_list.h"
-#include "chrome/browser/ui/tabs/tab_strip_model.h"
-#include "components/favicon/content/content_favicon_driver.h"
-#include "content/public/browser/browser_thread.h"
-#include "content/public/browser/render_frame_host.h"
-#include "content/public/browser/render_process_host.h"
-#include "media/base/video_util.h"
-#include "third_party/skia/include/core/SkCanvas.h"
-#include "third_party/skia/include/core/SkImage.h"
-#include "ui/gfx/image/image.h"
-
-using content::BrowserThread;
-using content::DesktopMediaID;
-
-namespace {
-
-gfx::ImageSkia CreateEnclosedFaviconImage(gfx::Size size,
-                                          const gfx::ImageSkia& favicon) {
-  DCHECK_GE(size.width(), 20);
-  DCHECK_GE(size.height(), 20);
-
-  // Create a bitmap.
-  SkBitmap result;
-  result.allocN32Pixels(size.width(), size.height(), false);
-  SkCanvas canvas(result);
-  canvas.clear(SK_ColorTRANSPARENT);
-
-  // Draw the favicon image into the center of result image. If the favicon is
-  // too big, scale it down.
-  gfx::Size fill_size = favicon.size();
-  if (result.width() < favicon.width() || result.height() < favicon.height())
-    fill_size = media::ScaleSizeToFitWithinTarget(favicon.size(), size);
-
-  gfx::Rect center_rect(result.width(), result.height());
-  center_rect.ClampToCenteredSize(fill_size);
-  SkRect dest_rect =
-      SkRect::MakeLTRB(center_rect.x(), center_rect.y(), center_rect.right(),
-                       center_rect.bottom());
-  canvas.drawBitmapRect(*favicon.bitmap(), dest_rect, nullptr);
-
-  return gfx::ImageSkia::CreateFrom1xBitmap(result);
-}
-
-// Update the list once per second.
-const int kDefaultUpdatePeriod = 1000;
-
-}  // namespace
-
-TabDesktopMediaList::TabDesktopMediaList()
-    : DesktopMediaListBase(
-          base::TimeDelta::FromMilliseconds(kDefaultUpdatePeriod)),
-      weak_factory_(this) {
-  base::SequencedWorkerPool* worker_pool = BrowserThread::GetBlockingPool();
-  thumbnail_task_runner_ =
-      worker_pool->GetSequencedTaskRunner(worker_pool->GetSequenceToken());
-}
-
-TabDesktopMediaList::~TabDesktopMediaList() {}
-
-void TabDesktopMediaList::Refresh() {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-
-  Profile* profile = ProfileManager::GetLastUsedProfileAllowedByPolicy();
-  if (!profile) {
-    ScheduleNextRefresh();
-    return;
-  }
-
-  std::vector<Browser*> browsers;
-  for (auto* browser : *BrowserList::GetInstance()) {
-    if (browser->profile()->GetOriginalProfile() ==
-        profile->GetOriginalProfile()) {
-      browsers.push_back(browser);
-    }
-  }
-
-  ImageHashesMap new_favicon_hashes;
-  std::vector<SourceDescription> sources;
-  std::map<base::TimeTicks, SourceDescription> tab_map;
-  std::vector<std::pair<DesktopMediaID, gfx::ImageSkia>> favicon_pairs;
-
-  // Enumerate all tabs with their titles and favicons for a user profile.
-  for (auto* browser : browsers) {
-    const TabStripModel* tab_strip_model = browser->tab_strip_model();
-    DCHECK(tab_strip_model);
-
-    for (int i = 0; i < tab_strip_model->count(); i++) {
-      // Create id for tab.
-      content::WebContents* contents = tab_strip_model->GetWebContentsAt(i);
-      DCHECK(contents);
-      content::RenderFrameHost* main_frame = contents->GetMainFrame();
-      DCHECK(main_frame);
-      DesktopMediaID media_id(
-          DesktopMediaID::TYPE_WEB_CONTENTS, DesktopMediaID::kNullId,
-          content::WebContentsMediaCaptureId(main_frame->GetProcess()->GetID(),
-                                             main_frame->GetRoutingID()));
-
-      // Get tab's last active time stamp.
-      const base::TimeTicks t = contents->GetLastActiveTime();
-      tab_map.insert(
-          std::make_pair(t, SourceDescription(media_id, contents->GetTitle())));
-
-      // Get favicon for tab.
-      favicon::FaviconDriver* favicon_driver =
-          favicon::ContentFaviconDriver::FromWebContents(contents);
-      if (!favicon_driver)
-        continue;
-
-      gfx::Image favicon = favicon_driver->GetFavicon();
-      if (favicon.IsEmpty())
-        continue;
-
-      // Only new or changed favicon need update.
-      new_favicon_hashes[media_id] = GetImageHash(favicon);
-      if (!favicon_hashes_.count(media_id) ||
-          (favicon_hashes_[media_id] != new_favicon_hashes[media_id])) {
-        gfx::ImageSkia image = favicon.AsImageSkia();
-        image.MakeThreadSafe();
-        favicon_pairs.push_back(std::make_pair(media_id, image));
-      }
-    }
-  }
-  favicon_hashes_ = new_favicon_hashes;
-
-  // Sort tab sources by time. Most recent one first. Then update sources list.
-  for (auto it = tab_map.rbegin(); it != tab_map.rend(); ++it)
-    sources.push_back(it->second);
-
-  UpdateSourcesList(sources);
-
-  for (const auto& it : favicon_pairs) {
-    // Create a thumbail in a different thread and update the thumbnail in
-    // current thread.
-    base::PostTaskAndReplyWithResult(
-        thumbnail_task_runner_.get(), FROM_HERE,
-        base::Bind(&CreateEnclosedFaviconImage, thumbnail_size_, it.second),
-        base::Bind(&TabDesktopMediaList::UpdateSourceThumbnail,
-                   weak_factory_.GetWeakPtr(), it.first));
-  }
-
-  // ScheduleNextRefresh() needs to be called after all calls for
-  // UpdateSourceThumbnail() have done. Therefore, a DoNothing task is posted
-  // to the same sequenced task runner that CreateEnlargedFaviconImag()
-  // is posted.
-  thumbnail_task_runner_.get()->PostTaskAndReply(
-      FROM_HERE, base::Bind(&base::DoNothing),
-      base::Bind(&TabDesktopMediaList::ScheduleNextRefresh,
-                 weak_factory_.GetWeakPtr()));
-}