Revert of Web MIDI: use mojom::blink::PermissionService directly to ask permission

content/renderer/render_frame_impl.cc

 // 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/renderer/render_frame_impl.h"
 
 #include <map>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 89 matching lines @@
 #include "content/renderer/history_serialization.h"
 #include "content/renderer/image_downloader/image_downloader_impl.h"
 #include "content/renderer/ime_event_guard.h"
 #include "content/renderer/input/input_handler_manager.h"
 #include "content/renderer/internal_document_state_data.h"
 #include "content/renderer/manifest/manifest_manager.h"
 #include "content/renderer/media/audio_device_factory.h"
 #include "content/renderer/media/media_permission_dispatcher.h"
 #include "content/renderer/media/media_stream_dispatcher.h"
 #include "content/renderer/media/media_stream_renderer_factory_impl.h"
+#include "content/renderer/media/midi_dispatcher.h"
 #include "content/renderer/media/render_media_log.h"
 #include "content/renderer/media/renderer_webmediaplayer_delegate.h"
 #include "content/renderer/media/user_media_client_impl.h"
 #include "content/renderer/media/web_media_element_source_utils.h"
 #include "content/renderer/media/webmediaplayer_ms.h"
 #include "content/renderer/mojo/interface_provider_js_wrapper.h"
 #include "content/renderer/mojo_bindings_controller.h"
 #include "content/renderer/navigation_state_impl.h"
 #include "content/renderer/notification_permission_dispatcher.h"
 #include "content/renderer/pepper/pepper_audio_controller.h"
@@ skipping 945 matching lines @@
 #if defined(ENABLE_PLUGINS)
       plugin_power_saver_helper_(nullptr),
       plugin_find_handler_(nullptr),
 #endif
       cookie_jar_(this),
       selection_text_offset_(0),
       selection_range_(gfx::Range::InvalidRange()),
       handling_select_range_(false),
       notification_permission_dispatcher_(NULL),
       web_user_media_client_(NULL),
+      midi_dispatcher_(NULL),
 #if defined(OS_ANDROID)
       media_player_manager_(NULL),
       media_session_manager_(NULL),
 #endif
       media_surface_manager_(nullptr),
 #if defined(ENABLE_BROWSER_CDMS)
       cdm_manager_(NULL),
 #endif
 #if defined(VIDEO_HOLE)
       contains_media_player_(false),
@@ skipping 3235 matching lines @@
         // base::Unretained(this) is safe because WebEncryptedMediaClientImpl
         // is destructed before |this|, and does not give away ownership of the
         // callback.
         base::Bind(&RenderFrameImpl::AreSecureCodecsSupported,
                    base::Unretained(this)),
         GetCdmFactory(), GetMediaPermission()));
   }
   return web_encrypted_media_client_.get();
 }
 
+blink::WebMIDIClient* RenderFrameImpl::webMIDIClient() {
+  if (!midi_dispatcher_)
+    midi_dispatcher_ = new MidiDispatcher(this);
+  return midi_dispatcher_;
+}
+
 blink::WebString RenderFrameImpl::userAgentOverride() {
   if (!render_view_->webview() || !render_view_->webview()->mainFrame() ||
       render_view_->renderer_preferences_.user_agent_override.empty()) {
     return blink::WebString();
   }
 
   // TODO(nasko): When the top-level frame is remote, there is no WebDataSource
   // associated with it, so the checks below are not valid. Temporarily
   // return early and fix properly as part of https://crbug.com/426555.
   if (render_view_->webview()->mainFrame()->isWebRemoteFrame())
@@ skipping 1980 matching lines @@
   // event target. Potentially a Pepper plugin will receive the event.
   // In order to tell whether a plugin gets the last mouse event and which it
   // is, we set |pepper_last_mouse_event_target_| to null here. If a plugin gets
   // the event, it will notify us via DidReceiveMouseEvent() and set itself as
   // |pepper_last_mouse_event_target_|.
   pepper_last_mouse_event_target_ = nullptr;
 #endif
 }
 
 }  // namespace content