Plumb media data from renderers up to MediaInternals in the browser process.

Relanding 95542. Reverted due to issue caused by 95496.

BUG=none
TEST=manually

Review URL: http://codereview.chromium.org/7480032

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@95685 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 60 insertions, 0 deletions

diff --git a/media/base/media_log.cc b/media/base/media_log.cc
new file mode 100644
index 0000000..6bcbcd71
--- /dev/null
+++ b/media/base/media_log.cc
@@ -0,0 +1,60 @@
+// Copyright (c) 2011 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 "media/base/media_log.h"
+
+#include "base/atomic_sequence_num.h"
+#include "base/logging.h"
+
+namespace media {
+
+// A count of all MediaLogs created on this render process.
+// Used to generate unique ids.
+static base::AtomicSequenceNumber media_log_count(base::LINKER_INITIALIZED);
+
+const char* MediaLog::EventTypeToString(MediaLogEvent::Type type) {
+  switch (type) {
+    case MediaLogEvent::CREATING:
+      return "CREATING";
+    case MediaLogEvent::DESTROYING:
+      return "DESTROYING";
+    case MediaLogEvent::LOAD:
+      return "LOAD";
+    case MediaLogEvent::PLAY:
+      return "PLAY";
+    case MediaLogEvent::PAUSE:
+      return "PAUSE";
+  }
+  NOTREACHED();
+  return NULL;
+}
+
+MediaLog::MediaLog() {
+  id_ = media_log_count.GetNext();
+}
+
+MediaLog::~MediaLog() {}
+
+void MediaLog::Load(const std::string& url) {
+  MediaLogEvent* event = CreateEvent(MediaLogEvent::LOAD);
+  event->params.SetString("url", url);
+  AddEvent(event);
+}
+
+void MediaLog::AddEventOfType(MediaLogEvent::Type type) {
+  MediaLogEvent* event = CreateEvent(type);
+  AddEvent(event);
+}
+
+MediaLogEvent* MediaLog::CreateEvent(MediaLogEvent::Type type) {
+  MediaLogEvent* event = new MediaLogEvent;
+  event->id = id_;
+  event->type = type;
+  event->time = base::Time::Now();
+  return event;
+}
+
+void MediaLog::AddEvent(MediaLogEvent* event) {}
+
+}  //namespace media