WIP: Browser image decoding using Mojo.

content/browser/utility_process_host_impl.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/browser/utility_process_host_impl.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
 #include "base/message_loop/message_loop.h"
+#include "base/process/process_handle.h"
 #include "base/run_loop.h"
 #include "base/sequenced_task_runner.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/synchronization/lock.h"
 #include "base/synchronization/waitable_event.h"
 #include "content/browser/browser_child_process_host_impl.h"
+#include "content/browser/mojo/mojo_application_host.h"
 #include "content/browser/renderer_host/render_process_host_impl.h"
 #include "content/common/child_process_host_impl.h"
 #include "content/common/utility_messages.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/content_browser_client.h"
 #include "content/public/browser/utility_process_host_client.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/process_type.h"
 #include "content/public/common/sandboxed_process_launcher_delegate.h"
 #include "ipc/ipc_switches.h"
@@ skipping 131 matching lines @@
 }
 
 #if defined(OS_POSIX)
 
 void UtilityProcessHostImpl::SetEnv(const base::EnvironmentMap& env) {
   env_ = env;
 }
 
 #endif  // OS_POSIX
 
+bool UtilityProcessHostImpl::StartMojoMode() {
+  mojo_application_host_.reset(new MojoApplicationHost);
+  mojo_application_host_->Init();
+  return StartProcess();
+}
+
+ServiceRegistry* UtilityProcessHostImpl::GetServiceRegistry() {
+  if (mojo_application_host_)
+    return mojo_application_host_->service_registry();
+
+  return nullptr;
+}
+
 bool UtilityProcessHostImpl::StartProcess() {
   if (started_)
     return true;
   started_ = true;
 
   if (is_batch_mode_)
     return true;
 
   // Name must be set or metrics_service will crash in any test which
   // launches a UtilityProcessHost.
@@ skipping 111 matching lines @@
 void UtilityProcessHostImpl::OnProcessCrashed(int exit_code) {
   if (!client_.get())
     return;
 
   client_task_runner_->PostTask(
       FROM_HERE,
       base::Bind(&UtilityProcessHostClient::OnProcessCrashed, client_.get(),
             exit_code));
 }
 
+void UtilityProcessHostImpl::OnProcessLaunched() {
+  if (mojo_application_host_) {
+    base::ProcessHandle handle;
+    if (RenderProcessHost::run_renderer_in_process())
+      handle = base::GetCurrentProcessHandle();
+    else
+      handle = process_->GetData().handle;
+
+    mojo_application_host_->Activate(this, handle);
+  }
+}
+
 }  // namespace content