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

chrome/browser/media/webrtc_event_log_handler.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/webrtc_event_log_handler.h"
-
-#include <string>
-#include <utility>
-
-#include "base/bind.h"
-#include "base/command_line.h"
-#include "base/files/file_util.h"
-#include "base/strings/string_number_conversions.h"
-#include "base/time/time.h"
-#include "chrome/browser/media/webrtc_log_list.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/common/chrome_switches.h"
-#include "content/public/browser/browser_thread.h"
-#include "content/public/browser/render_process_host.h"
-
-using content::BrowserThread;
-
-// Keys used to attach handler to the RenderProcessHost
-const char WebRtcEventLogHandler::kWebRtcEventLogHandlerKey[] =
-    "kWebRtcEventLogHandlerKey";
-
-namespace {
-
-// Returns a path name to be used as prefix for RTC event log files.
-base::FilePath GetWebRtcEventLogPrefixPath(const base::FilePath& directory,
-                                           uint64_t rtc_event_log_id) {
-  static const char kWebRtcEventLogFilePrefix[] = "WebRtcEventLog.";
-  return directory.AppendASCII(kWebRtcEventLogFilePrefix +
-                               base::Uint64ToString(rtc_event_log_id));
-}
-
-}  // namespace
-
-WebRtcEventLogHandler::WebRtcEventLogHandler(Profile* profile)
-    : profile_(profile),
-      current_rtc_event_log_id_(0) {
-  DCHECK(profile_);
-  thread_checker_.DetachFromThread();
-}
-
-WebRtcEventLogHandler::~WebRtcEventLogHandler() {}
-
-void WebRtcEventLogHandler::StartWebRtcEventLogging(
-    content::RenderProcessHost* host,
-    base::TimeDelta delay,
-    const RecordingDoneCallback& callback,
-    const RecordingErrorCallback& error_callback) {
-  DCHECK(thread_checker_.CalledOnValidThread());
-
-  BrowserThread::PostTaskAndReplyWithResult(
-      BrowserThread::FILE, FROM_HERE,
-      base::Bind(&WebRtcEventLogHandler::GetLogDirectoryAndEnsureExists, this),
-      base::Bind(&WebRtcEventLogHandler::DoStartWebRtcEventLogging, this, host,
-                 delay, callback, error_callback));
-}
-
-void WebRtcEventLogHandler::StopWebRtcEventLogging(
-    content::RenderProcessHost* host,
-    const RecordingDoneCallback& callback,
-    const RecordingErrorCallback& error_callback) {
-  DCHECK(thread_checker_.CalledOnValidThread());
-  const bool is_manual_stop = true;
-  BrowserThread::PostTaskAndReplyWithResult(
-      BrowserThread::FILE, FROM_HERE,
-      base::Bind(&WebRtcEventLogHandler::GetLogDirectoryAndEnsureExists, this),
-      base::Bind(&WebRtcEventLogHandler::DoStopWebRtcEventLogging, this, host,
-                 is_manual_stop, current_rtc_event_log_id_, callback,
-                 error_callback));
-}
-
-base::FilePath WebRtcEventLogHandler::GetLogDirectoryAndEnsureExists() {
-  DCHECK_CURRENTLY_ON(BrowserThread::FILE);
-  base::FilePath log_dir_path =
-      WebRtcLogList::GetWebRtcLogDirectoryForProfile(profile_->GetPath());
-  base::File::Error error;
-  if (!base::CreateDirectoryAndGetError(log_dir_path, &error)) {
-    DLOG(ERROR) << "Could not create WebRTC log directory, error: " << error;
-    return base::FilePath();
-  }
-  return log_dir_path;
-}
-
-void WebRtcEventLogHandler::DoStartWebRtcEventLogging(
-    content::RenderProcessHost* host,
-    base::TimeDelta delay,
-    const RecordingDoneCallback& callback,
-    const RecordingErrorCallback& error_callback,
-    const base::FilePath& log_directory) {
-  DCHECK(thread_checker_.CalledOnValidThread());
-
-  base::FilePath prefix_path =
-      GetWebRtcEventLogPrefixPath(log_directory, ++current_rtc_event_log_id_);
-  if (!host->StartWebRTCEventLog(prefix_path)) {
-    error_callback.Run("RTC event logging already in progress");
-    return;
-  }
-
-  if (delay.is_zero()) {
-    const bool is_stopped = false, is_manual_stop = false;
-    callback.Run(prefix_path.AsUTF8Unsafe(), is_stopped, is_manual_stop);
-    return;
-  }
-
-  const bool is_manual_stop = false;
-  BrowserThread::PostDelayedTask(
-      BrowserThread::UI, FROM_HERE,
-      base::Bind(&WebRtcEventLogHandler::DoStopWebRtcEventLogging, this, host,
-                 is_manual_stop, current_rtc_event_log_id_, callback,
-                 error_callback, log_directory),
-      delay);
-}
-
-void WebRtcEventLogHandler::DoStopWebRtcEventLogging(
-    content::RenderProcessHost* host,
-    bool is_manual_stop,
-    uint64_t rtc_event_log_id,
-    const RecordingDoneCallback& callback,
-    const RecordingErrorCallback& error_callback,
-    const base::FilePath& log_directory) {
-  DCHECK(thread_checker_.CalledOnValidThread());
-  DCHECK_LE(rtc_event_log_id, current_rtc_event_log_id_);
-
-  base::FilePath prefix_path =
-      GetWebRtcEventLogPrefixPath(log_directory, rtc_event_log_id);
-  // Prevent an old posted DoStopWebRtcEventLogging() call to stop a newer dump.
-  // This could happen in a sequence like:
-  //   Start(10);  // Start dump 1. Post Stop() to run after 10 seconds.
-  //   Stop();     // Manually stop dump 1 before 10 seconds;
-  //   Start(20);  // Start dump 2. Posted Stop() for 1 should not stop dump 2.
-  if (rtc_event_log_id < current_rtc_event_log_id_) {
-    const bool is_stopped = false;
-    callback.Run(prefix_path.AsUTF8Unsafe(), is_stopped, is_manual_stop);
-    return;
-  }
-
-  if (!host->StopWebRTCEventLog()) {
-    error_callback.Run("No RTC event logging in progress");
-    return;
-  }
-
-  const bool is_stopped = true;
-  callback.Run(prefix_path.AsUTF8Unsafe(), is_stopped, is_manual_stop);
-}