Move media::mojom::RemoterFactory to content, add ContentBrowserClient API.

content/browser/frame_host/render_frame_host_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/browser/frame_host/render_frame_host_impl.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 78 matching lines @@
 #include "content/public/common/isolated_world_ids.h"
 #include "content/public/common/service_manager_connection.h"
 #include "content/public/common/service_names.h"
 #include "content/public/common/url_constants.h"
 #include "content/public/common/url_utils.h"
 #include "device/generic_sensor/sensor_provider_impl.h"
 #include "device/geolocation/geolocation_service_context.h"
 #include "device/vibration/vibration_manager_impl.h"
 #include "device/wake_lock/wake_lock_service_context.h"
 #include "media/base/media_switches.h"
+#include "media/media_features.h"
 #include "media/mojo/interfaces/media_service.mojom.h"
+#include "media/mojo/interfaces/remoting.mojom.h"
 #include "mojo/public/cpp/bindings/associated_interface_ptr.h"
 #include "mojo/public/cpp/bindings/strong_binding.h"
 #include "services/service_manager/public/cpp/connector.h"
 #include "services/service_manager/public/cpp/interface_provider.h"
 #include "third_party/WebKit/public/platform/modules/shapedetection/shapedetection.mojom.h"
 #include "ui/accessibility/ax_tree.h"
 #include "ui/accessibility/ax_tree_update.h"
 #include "ui/gfx/geometry/quad_f.h"
 #include "url/gurl.h"
 
@@ skipping 87 matching lines @@
       policy->GrantReadFile(child_id, file);
   }
 }
 
 void NotifyRenderFrameDetachedOnIO(int render_process_id, int render_frame_id) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   SharedWorkerServiceImpl::GetInstance()->RenderFrameDetached(render_process_id,
                                                               render_frame_id);
 }
 
+#if BUILDFLAG(ENABLE_MEDIA_REMOTING)
+// RemoterFactory that delegates Create() calls to the ContentBrowserClient.
+//
+// Since Create() could be called at any time, perhaps by a stray task being run
+// after a RenderFrameHost has been destroyed, the RemoterFactoryImpl uses the
+// process/routing IDs as a weak reference to the RenderFrameHostImpl.
+class RemoterFactoryImpl final : public media::mojom::RemoterFactory {
+ public:
+  RemoterFactoryImpl(int process_id, int routing_id)
+      : process_id_(process_id), routing_id_(routing_id) {}
+
+  static void Bind(int process_id, int routing_id,
+                   media::mojom::RemoterFactoryRequest request) {
+    mojo::MakeStrongBinding(
+        base::MakeUnique<RemoterFactoryImpl>(process_id, routing_id),
+        std::move(request));
+  }
+
+ private:
+  void Create(media::mojom::RemotingSourcePtr source,
+              media::mojom::RemoterRequest request) final {
+    if (auto* host = RenderFrameHostImpl::FromID(process_id_, routing_id_)) {
+      GetContentClient()->browser()->CreateMediaRemoter(
+          host, std::move(source), std::move(request));
+    }
+  }
+
+  const int process_id_;
+  const int routing_id_;
+
+  DISALLOW_COPY_AND_ASSIGN(RemoterFactoryImpl);
+};
+#endif  // BUILDFLAG(ENABLE_MEDIA_REMOTING)
+
 }  // namespace
 
 // static
 RenderFrameHost* RenderFrameHost::FromID(int render_process_id,
                                          int render_frame_id) {
   return RenderFrameHostImpl::FromID(render_process_id, render_frame_id);
 }
 
 #if defined(OS_ANDROID)
 // static
@@ skipping 2026 matching lines @@
         base::Bind(&MediaDevicesDispatcherHost::Create, GetProcess()->GetID(),
                    GetRoutingID(), GetProcess()
                                        ->GetBrowserContext()
                                        ->GetResourceContext()
                                        ->GetMediaDeviceIDSalt(),
                    base::Unretained(media_stream_manager)),
         BrowserThread::GetTaskRunnerForThread(BrowserThread::IO));
   }
 #endif
 
+#if BUILDFLAG(ENABLE_MEDIA_REMOTING)
+  GetInterfaceRegistry()->AddInterface(base::Bind(
+      &RemoterFactoryImpl::Bind, GetProcess()->GetID(), GetRoutingID()));
+#endif  // BUILDFLAG(ENABLE_MEDIA_REMOTING)
+
   GetContentClient()->browser()->RegisterRenderFrameMojoInterfaces(
       GetInterfaceRegistry(), this);
 }
 
 void RenderFrameHostImpl::ResetWaitingState() {
   DCHECK(is_active());
 
   // Whenever we reset the RFH state, we should not be waiting for beforeunload
   // or close acks.  We clear them here to be safe, since they can cause
   // navigations to be ignored in OnDidCommitProvisionalLoad.
@@ skipping 1004 matching lines @@
   // There is no pending NavigationEntry in these cases, so pass 0 as the
   // pending_nav_entry_id. If the previous handle was a prematurely aborted
   // navigation loaded via LoadDataWithBaseURL, propagate the entry id.
   return NavigationHandleImpl::Create(
       params.url, frame_tree_node_, is_renderer_initiated,
       params.was_within_same_page, params.is_srcdoc, base::TimeTicks::Now(),
       entry_id_for_data_nav, false);  // started_from_context_menu
 }
 
 }  // namespace content