Hosting the discardable memory service in the mus process

content/browser/renderer_host/render_process_host_impl.cc

 // Copyright 2012 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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "content/browser/renderer_host/render_process_host_impl.h"
 
 #include <algorithm>
@@ skipping 166 matching lines @@
 #include "media/base/media_switches.h"
 #include "media/media_features.h"
 #include "mojo/edk/embedder/embedder.h"
 #include "mojo/public/cpp/bindings/associated_interface_ptr.h"
 #include "net/url_request/url_request_context_getter.h"
 #include "ppapi/features/features.h"
 #include "ppapi/shared_impl/ppapi_switches.h"
 #include "services/service_manager/public/cpp/connection.h"
 #include "services/service_manager/public/cpp/interface_provider.h"
 #include "services/service_manager/public/cpp/interface_registry.h"
+#include "services/service_manager/runner/common/client_util.h"
 #include "services/service_manager/runner/common/switches.h"
 #include "storage/browser/fileapi/sandbox_file_system_backend.h"
 #include "third_party/WebKit/public/public_features.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/base/ui_base_switches.h"
 #include "ui/display/display_switches.h"
 #include "ui/events/event_switches.h"
 #include "ui/gfx/switches.h"
 #include "ui/gl/gl_switches.h"
 #include "ui/gl/gpu_switching_manager.h"
@@ skipping 1092 matching lines @@
   registry->AddInterface(
       base::Bind(&VideoCaptureHost::Create,
                  BrowserMainLoop::GetInstance()->media_stream_manager()));
 
   // This is to support usage of WebSockets in cases in which there is no
   // associated RenderFrame (e.g., Shared Workers).
   AddUIThreadInterface(
       registry.get(), base::Bind(&WebSocketManager::CreateWebSocket, GetID(),
                                  MSG_ROUTING_NONE));
 
-  registry->AddInterface(base::Bind(
-      &discardable_memory::DiscardableSharedMemoryManager::Bind,
-      base::Unretained(
-          discardable_memory::DiscardableSharedMemoryManager::GetInstance())));
+  // Chrome browser process only provides DiscardableSharedMemory service when
+  // Chrome is not running in mus+ash.
+  if (!service_manager::ServiceManagerIsRemote()) {
+    registry->AddInterface(base::Bind(
+        &discardable_memory::DiscardableSharedMemoryManager::Bind,
+        base::Unretained(discardable_memory::DiscardableSharedMemoryManager::
+                             GetInstance())));
+  }
 
   GetContentClient()->browser()->ExposeInterfacesToRenderer(registry.get(),
                                                             this);
 
   ServiceManagerConnection* service_manager_connection =
       BrowserContext::GetServiceManagerConnectionFor(browser_context_);
   std::unique_ptr<ConnectionFilterImpl> connection_filter(
       new ConnectionFilterImpl(child_connection_->child_identity(),
                                std::move(registry)));
   connection_filter_controller_ = connection_filter->controller();
@@ skipping 1689 matching lines @@
   LOG(ERROR) << "Terminating render process for bad Mojo message: " << error;
 
   // The ReceivedBadMessage call below will trigger a DumpWithoutCrashing.
   // Capture the error message in a crash key value.
   base::debug::ScopedCrashKey error_key_value("mojo-message-error", error);
   bad_message::ReceivedBadMessage(render_process_id,
                                   bad_message::RPH_MOJO_PROCESS_ERROR);
 }
 
 }  // namespace content