[Fuchsia] Log MediaPlay and MediaPause actions

Bug: 1067068
Change-Id: I75e040216a1d4bef780902e43afc87026726cbe9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2159891
Commit-Queue: Sergey Ulanov <sergeyu@chromium.org>
Commit-Queue: Kevin Marshall <kmarshall@chromium.org>
Auto-Submit: Sergey Ulanov <sergeyu@chromium.org>
Reviewed-by: Kevin Marshall <kmarshall@chromium.org>
Cr-Commit-Position: refs/heads/master@{#761173}

fuchsia/engine/browser/frame_impl.cc

@@ -849,6 +849,18 @@ void FrameImpl::SetMediaSessionId(uint64_t session_id) {
   media_session_id_ = session_id;
 }
 
+void FrameImpl::MediaStartedPlaying(const MediaPlayerInfo& video_type,
+                                    const content::MediaPlayerId& id) {
+  base::RecordComputedAction("MediaPlay");
+}
+
+void FrameImpl::MediaStoppedPlaying(
+    const MediaPlayerInfo& video_type,
+    const content::MediaPlayerId& id,
+    WebContentsObserver::MediaStoppedReason reason) {
+  base::RecordComputedAction("MediaPause");
+}
+
 void FrameImpl::ForceContentDimensions(
     std::unique_ptr<fuchsia::ui::gfx::vec2> web_dips) {
   if (!web_dips) {

fuchsia/engine/browser/frame_impl.h

@@ -187,6 +187,12 @@ class FrameImpl : public fuchsia::web::Frame,
                           std::string web_origin,
                           fuchsia::web::PermissionState state) override;
   void SetBlockMediaLoading(bool blocked) override;
+  void MediaStartedPlaying(const MediaPlayerInfo& video_type,
+                           const content::MediaPlayerId& id) override;
+  void MediaStoppedPlaying(
+      const MediaPlayerInfo& video_type,
+      const content::MediaPlayerId& id,
+      WebContentsObserver::MediaStoppedReason reason) override;
 
   // content::WebContentsDelegate implementation.
   void CloseContents(content::WebContents* source) override;