Hosting the discardable memory service in the mus process

content/ppapi_plugin/ppapi_thread.cc

 // Copyright (c) 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.
 
 #include "content/ppapi_plugin/ppapi_thread.h"
 
 #include <stddef.h>
 
 #include <limits>
 
@@ skipping 18 matching lines @@
 #include "content/child/browser_font_resource_trusted.h"
 #include "content/child/child_process.h"
 #include "content/common/child_process_messages.h"
 #include "content/ppapi_plugin/broker_process_dispatcher.h"
 #include "content/ppapi_plugin/plugin_process_dispatcher.h"
 #include "content/ppapi_plugin/ppapi_blink_platform_impl.h"
 #include "content/public/common/content_client.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/pepper_plugin_info.h"
 #include "content/public/common/sandbox_init.h"
+#include "content/public/common/service_manager_connection.h"
 #include "ipc/ipc_channel_handle.h"
 #include "ipc/ipc_platform_file.h"
 #include "ipc/ipc_sync_channel.h"
 #include "ipc/ipc_sync_message_filter.h"
 #include "ppapi/c/dev/ppp_network_state_dev.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/c/ppp.h"
 #include "ppapi/proxy/interface_list.h"
 #include "ppapi/proxy/plugin_globals.h"
 #include "ppapi/proxy/plugin_message_filter.h"
 #include "ppapi/proxy/ppapi_messages.h"
 #include "ppapi/proxy/resource_reply_thread_registrar.h"
+#include "services/service_manager/public/cpp/connector.h"
 #include "services/service_manager/public/cpp/interface_provider.h"
+#include "services/ui/public/interfaces/constants.mojom.h"
 #include "third_party/WebKit/public/web/WebKit.h"
 #include "ui/base/ui_base_switches.h"
 
 #if defined(OS_WIN)
 #include "base/win/win_util.h"
 #include "base/win/windows_version.h"
 #include "content/child/font_warmup_win.h"
 #include "sandbox/win/src/sandbox.h"
 #elif defined(OS_MACOSX)
 #include "content/common/sandbox_init_mac.h"
@@ skipping 33 matching lines @@
 
       enum_sys_locales_ex(EnumLocalesProcEx, LOCALE_WINDOWS, 0, 0);
     } else {
       EnumSystemLocalesW(EnumLocalesProc, LCID_INSTALLED);
     }
   }
 }
 
 #endif
 
+static bool IsRunningInMash() {
+  const base::CommandLine* cmdline = base::CommandLine::ForCurrentProcess();
+  return cmdline->HasSwitch(switches::kIsRunningInMash);
+}
+
 namespace content {
 
 typedef int32_t (*InitializeBrokerFunc)
     (PP_ConnectInstance_Func* connect_instance_func);
 
 PpapiThread::PpapiThread(const base::CommandLine& command_line, bool is_broker)
     : is_broker_(is_broker),
       plugin_globals_(GetIOTaskRunner()),
       connect_instance_func_(NULL),
       local_pp_module_(base::RandInt(0, std::numeric_limits<PP_Module>::max())),
@@ skipping 11 matching lines @@
         new ppapi::proxy::PluginMessageFilter(
             NULL, plugin_globals_.resource_reply_thread_registrar()));
     channel()->AddFilter(plugin_filter.get());
     plugin_globals_.RegisterResourceMessageFilters(plugin_filter.get());
   }
 
   // In single process, browser main loop set up the discardable memory
   // allocator.
   if (!command_line.HasSwitch(switches::kSingleProcess)) {
     discardable_memory::mojom::DiscardableSharedMemoryManagerPtr manager_ptr;
-    ChildThread::Get()->GetRemoteInterfaces()->GetInterface(
-        mojo::GetProxy(&manager_ptr));
+    if (IsRunningInMash()) {
+#if defined(USE_AURA)
+      GetServiceManagerConnection()->GetConnector()->ConnectToInterface(
+          ui::mojom::kServiceName, &manager_ptr);
+#else
+      NOTREACHED();
+#endif
+    } else {
+      ChildThread::Get()->GetRemoteInterfaces()->GetInterface(
+          mojo::GetProxy(&manager_ptr));
+    }
     discardable_shared_memory_manager_ = base::MakeUnique<
         discardable_memory::ClientDiscardableSharedMemoryManager>(
         std::move(manager_ptr), GetIOTaskRunner());
     base::DiscardableMemoryAllocator::SetInstance(
         discardable_shared_memory_manager_.get());
   }
   field_trial_syncer_.InitFieldTrialObserving(command_line,
                                               switches::kSingleProcess);
 }
 
@@ skipping 439 matching lines @@
           GetHistogramName(is_broker_, "LoadTime", path),
           base::TimeDelta::FromMilliseconds(1),
           base::TimeDelta::FromSeconds(10),
           50,
           base::HistogramBase::kUmaTargetedHistogramFlag);
 
   histogram->AddTime(load_time);
 }
 
 }  // namespace content