[Media Router] Remove SendMessage from PresentationServiceDelegate

It is no longer used as a result of sending presentation connection
messages via the PresentationConnection interface.

Bug: 687011
Change-Id: Ic537619a08865d33a79f3dffa29d82473d1b4e5e
Reviewed-on: https://chromium-review.googlesource.com/580049Reviewed-by: Avi Drissman <avi@chromium.org>
Commit-Queue: Derek Cheng <imcheng@chromium.org>
Cr-Commit-Position: refs/heads/master@{#488510}

chrome/browser/media/router/presentation_service_delegate_impl.cc

@@ -597,32 +597,6 @@ void PresentationServiceDelegateImpl::Terminate(
   RemovePresentation(rfh_id, presentation_id);
 }
 
-void PresentationServiceDelegateImpl::SendMessage(
-    int render_process_id,
-    int render_frame_id,
-    const content::PresentationInfo& presentation_info,
-    content::PresentationConnectionMessage message,
-    SendMessageCallback send_message_cb) {
-  auto route_id =
-      GetRouteId(RenderFrameHostId(render_process_id, render_frame_id),
-                 presentation_info.presentation_id);
-  if (route_id.empty()) {
-    DVLOG(1) << "No active route for  " << presentation_info.presentation_id;
-    std::move(send_message_cb).Run(false);
-    return;
-  }
-
-  if (message.is_binary()) {
-    router_->SendRouteBinaryMessage(
-        route_id,
-        base::MakeUnique<std::vector<uint8_t>>(std::move(message.data.value())),
-        std::move(send_message_cb));
-  } else {
-    router_->SendRouteMessage(route_id, message.message.value(),
-                              std::move(send_message_cb));
-  }
-}
-
 void PresentationServiceDelegateImpl::ListenForConnectionStateChange(
     int render_process_id,
     int render_frame_id,

chrome/browser/media/router/presentation_service_delegate_impl.h

@@ -27,7 +27,6 @@
 namespace content {
 class PresentationScreenAvailabilityListener;
 class WebContents;
-struct PresentationConnectionMessage;
 struct PresentationInfo;
 }  // namespace content
 
@@ -115,11 +114,6 @@ class PresentationServiceDelegateImpl
   void Terminate(int render_process_id,
                  int render_frame_id,
                  const std::string& presentation_id) override;
-  void SendMessage(int render_process_id,
-                   int render_frame_id,
-                   const content::PresentationInfo& presentation_info,
-                   content::PresentationConnectionMessage message,
-                   SendMessageCallback send_message_cb) override;
   void ListenForConnectionStateChange(
       int render_process_id,
       int render_frame_id,

content/public/browser/presentation_service_delegate.h

@@ -178,18 +178,6 @@ class CONTENT_EXPORT ControllerPresentationServiceDelegate
                          int render_frame_id,
                          const std::string& presentation_id) = 0;
 
-  // Sends a message (string or binary data) to a presentation.
-  // |render_process_id|, |render_frame_id|: ID of originating frame.
-  // |presentation_info|: The presentation to send the message to.
-  // |message|: The message to send. The embedder takes ownership of |message|.
-  //            Must not be null.
-  // |send_message_cb|: Invoked after handling the send message request.
-  virtual void SendMessage(int render_process_id,
-                           int render_frame_id,
-                           const content::PresentationInfo& presentation_info,
-                           PresentationConnectionMessage message,
-                           SendMessageCallback send_message_cb) = 0;
-
   // Continuously listen for state changes for a PresentationConnection in a
   // frame.
   // |render_process_id|, |render_frame_id|: ID of frame.