Update MidiDispatcher to use Mojo Permission Service.

content/browser/media/midi_dispatcher_host.cc

Index: content/browser/media/midi_dispatcher_host.cc
diff --git a/content/browser/media/midi_dispatcher_host.cc b/content/browser/media/midi_dispatcher_host.cc
deleted file mode 100644
index 944dae51d8d2ce71187366e43451bd16d7b9d376..0000000000000000000000000000000000000000
--- a/content/browser/media/midi_dispatcher_host.cc
+++ /dev/null
@@ -1,140 +0,0 @@
-// Copyright 2013 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 "content/browser/media/midi_dispatcher_host.h"
-
-#include "base/bind.h"
-#include "content/browser/child_process_security_policy_impl.h"
-#include "content/browser/frame_host/render_frame_host_impl.h"
-#include "content/common/media/midi_messages.h"
-#include "content/public/browser/browser_context.h"
-#include "content/public/browser/browser_thread.h"
-#include "content/public/browser/content_browser_client.h"
-#include "content/public/browser/navigation_details.h"
-#include "content/public/browser/render_frame_host.h"
-#include "content/public/browser/render_process_host.h"
-#include "content/public/browser/web_contents.h"
-#include "url/gurl.h"
-
-namespace content {
-
-MidiDispatcherHost::PendingPermission::PendingPermission(
-    int render_process_id,
-    int render_frame_id,
-    int bridge_id)
-    : render_process_id(render_process_id),
-      render_frame_id(render_frame_id),
-      bridge_id(bridge_id) {
-}
-
-MidiDispatcherHost::PendingPermission::~PendingPermission() {
-}
-
-MidiDispatcherHost::MidiDispatcherHost(WebContents* web_contents)
-    : WebContentsObserver(web_contents),
-      weak_factory_(this) {
-}
-
-MidiDispatcherHost::~MidiDispatcherHost() {
-}
-
-void MidiDispatcherHost::RenderFrameDeleted(
-    RenderFrameHost* render_frame_host) {
-  CancelPermissionRequestsForFrame(render_frame_host);
-}
-
-void MidiDispatcherHost::DidNavigateAnyFrame(
-    RenderFrameHost* render_frame_host,
-    const LoadCommittedDetails& details,
-    const FrameNavigateParams& params) {
-  if (details.is_in_page)
-    return;
-
-  CancelPermissionRequestsForFrame(render_frame_host);
-}
-
-bool MidiDispatcherHost::OnMessageReceived(const IPC::Message& message,
-                                           RenderFrameHost* render_frame_host) {
-  bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP_WITH_PARAM(MidiDispatcherHost, message,
-                                   render_frame_host)
-    IPC_MESSAGE_HANDLER(MidiHostMsg_RequestSysExPermission,
-                        OnRequestSysExPermission)
-    IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP()
-  return handled;
-}
-
-void MidiDispatcherHost::OnRequestSysExPermission(
-    RenderFrameHost* render_frame_host,
-    int bridge_id,
-    const GURL& origin,
-    bool user_gesture) {
-  int render_process_id = render_frame_host->GetProcess()->GetID();
-  int render_frame_id = render_frame_host->GetRoutingID();
-
-  PendingPermission pending_permission(
-      render_process_id, render_frame_id, bridge_id);
-  pending_permissions_.push_back(pending_permission);
-
-  GetContentClient()->browser()->RequestPermission(
-      PERMISSION_MIDI_SYSEX,
-      web_contents(),
-      bridge_id,
-      origin,
-      user_gesture,
-      base::Bind(&MidiDispatcherHost::WasSysExPermissionGranted,
-                 weak_factory_.GetWeakPtr(),
-                 render_process_id,
-                 render_frame_id,
-                 bridge_id));
-}
-
-void MidiDispatcherHost::CancelPermissionRequestsForFrame(
-    RenderFrameHost* render_frame_host) {
-  int render_process_id = render_frame_host->GetProcess()->GetID();
-  int render_frame_id = render_frame_host->GetRoutingID();
-
-  for (size_t i = 0; i < pending_permissions_.size(); ++i) {
-    if (pending_permissions_[i].render_process_id == render_process_id &&
-        pending_permissions_[i].render_frame_id == render_frame_id) {
-      GetContentClient()->browser()->CancelPermissionRequest(
-          PERMISSION_MIDI_SYSEX,
-          web_contents(),
-          pending_permissions_[i].bridge_id,
-          render_frame_host->GetLastCommittedURL());
-
-      pending_permissions_.erase(pending_permissions_.begin() + i);
-      return;
-    }
-  }
-}
-
-void MidiDispatcherHost::WasSysExPermissionGranted(int render_process_id,
-                                                   int render_frame_id,
-                                                   int bridge_id,
-                                                   bool is_allowed) {
-  for (size_t i = 0; i < pending_permissions_.size(); ++i) {
-    if (pending_permissions_[i].render_process_id == render_process_id &&
-        pending_permissions_[i].render_frame_id == render_frame_id &&
-        pending_permissions_[i].bridge_id == bridge_id) {
-      RenderFrameHost* render_frame_host =
-          RenderFrameHost::FromID(render_process_id, render_frame_id);
-      if (render_frame_host) {
-        render_frame_host->Send(new MidiMsg_SysExPermissionApproved(
-            render_frame_id, bridge_id, is_allowed));
-      }
-
-      if (is_allowed) {
-        ChildProcessSecurityPolicyImpl::GetInstance()->
-            GrantSendMidiSysExMessage(render_process_id);
-      }
-
-      pending_permissions_.erase(pending_permissions_.begin() + i);
-      return;
-    }
-  }
-}
-
-}  // namespace content