media: Add ProvisionFetcher mojo interface and implementation.

content/browser/frame_host/frame_mojo_shell.cc

 // Copyright 2015 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/frame_mojo_shell.h"
 
 #include <utility>
 
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/browser/mojo/mojo_shell_context.h"
 #include "content/common/mojo/service_registry_impl.h"
 #include "content/public/browser/content_browser_client.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/site_instance.h"
 #include "content/public/common/content_client.h"
 #include "mojo/public/cpp/system/message_pipe.h"
 
+#if defined(OS_ANDROID) && defined(ENABLE_MOJO_MEDIA)
+#include "content/browser/media/android/provision_fetcher_impl.h"
+#endif
+
 namespace content {
 
 namespace {
 
 // This wraps a ServiceRegistryImpl in a mojo::ServiceProvider implementation
 // so it can be bound to a mojo::ServiceProvider pipe.
 class ServiceRegistryWrapper : public mojo::ServiceProvider {
  public:
   explicit ServiceRegistryWrapper(scoped_ptr<ServiceRegistryImpl> registry)
       : registry_(std::move(registry)) {
   }
   ~ServiceRegistryWrapper() override {}
 
  private:
   // mojo::ServiceProvider:
   void ConnectToService(const mojo::String& service_name,
                         mojo::ScopedMessagePipeHandle pipe) override {
     registry_->Connect(base::StringPiece(service_name), std::move(pipe));
   }
 
   const scoped_ptr<ServiceRegistryImpl> registry_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceRegistryWrapper);
 };
 
+void RegisterFrameMojoShellServices(ServiceRegistry* registry,
+                                    RenderFrameHost* render_frame_host) {
+#if defined(OS_ANDROID) && defined(ENABLE_MOJO_MEDIA)
+  registry->AddService(
+      base::Bind(&ProvisionFetcherImpl::Create, render_frame_host));
+#endif
+}
+
 }  // namespace
 
 FrameMojoShell::FrameMojoShell(RenderFrameHost* frame_host)
     : frame_host_(frame_host) {
 }
 
 FrameMojoShell::~FrameMojoShell() {
 }
 
 void FrameMojoShell::BindRequest(
@@ skipping 23 matching lines @@
       std::move(services), std::move(frame_services), capability_filter,
       callback);
 }
 
 void FrameMojoShell::QuitApplication() {
 }
 
 mojo::ServiceProvider* FrameMojoShell::GetServiceProvider() {
   if (!service_provider_) {
     scoped_ptr<ServiceRegistryImpl> registry(new ServiceRegistryImpl());
+    // TODO(rockot/xhwang): Currently all applications connected share the same
+    // set of services registered in the |registry|. We may want to provide
+    // different services for different apps for better isolation.
+    RegisterFrameMojoShellServices(registry.get(), frame_host_);
     GetContentClient()->browser()->RegisterFrameMojoShellServices(
         registry.get(), frame_host_);
     service_provider_.reset(new ServiceRegistryWrapper(std::move(registry)));
   }
   return service_provider_.get();
 }
 
 }  // namespace content