[mojo-edk] Bind a child token to child launches and port reservations.

content/browser/gpu/gpu_process_host.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/gpu/gpu_process_host.h"
 
 #include <stddef.h>
 
 #include <utility>
 
@@ skipping 34 matching lines @@
 #include "content/public/common/mojo_channel_switches.h"
 #include "content/public/common/result_codes.h"
 #include "content/public/common/sandbox_type.h"
 #include "content/public/common/sandboxed_process_launcher_delegate.h"
 #include "gpu/command_buffer/service/gpu_preferences.h"
 #include "gpu/command_buffer/service/gpu_switches.h"
 #include "ipc/ipc_channel_handle.h"
 #include "ipc/ipc_switches.h"
 #include "ipc/message_filter.h"
 #include "media/base/media_switches.h"
+#include "mojo/edk/embedder/embedder.h"
 #include "ui/base/ui_base_switches.h"
 #include "ui/events/latency_info.h"
 #include "ui/gl/gl_switches.h"
 
 #if defined(OS_ANDROID)
 #include "base/android/build_info.h"
 #endif
 
 #if defined(OS_WIN)
 #include "base/win/windows_version.h"
@@ skipping 335 matching lines @@
 }
 
 GpuProcessHost::GpuProcessHost(int host_id, GpuProcessKind kind)
     : host_id_(host_id),
       valid_(true),
       in_process_(false),
       swiftshader_rendering_(false),
       kind_(kind),
       process_launched_(false),
       initialized_(false),
-      uma_memory_stats_received_(false) {
+      uma_memory_stats_received_(false),
+      child_token_(mojo::edk::GenerateRandomToken()) {
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kSingleProcess) ||
       base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kInProcessGPU)) {
     in_process_ = true;
   }
 
   // If the 'single GPU process' policy ever changes, we still want to maintain
   // it for 'gpu thread' mode and only create one instance of host and thread.
   DCHECK(!in_process_ || g_gpu_process_hosts[kind] == NULL);
 
   g_gpu_process_hosts[kind] = this;
 
   // Post a task to create the corresponding GpuProcessHostUIShim.  The
   // GpuProcessHostUIShim will be destroyed if either the browser exits,
   // in which case it calls GpuProcessHostUIShim::DestroyAll, or the
   // GpuProcessHost is destroyed, which happens when the corresponding GPU
   // process terminates or fails to launch.
   BrowserThread::PostTask(
       BrowserThread::UI,
       FROM_HERE,
       base::Bind(base::IgnoreResult(&GpuProcessHostUIShim::Create), host_id));
 
-  process_.reset(new BrowserChildProcessHostImpl(PROCESS_TYPE_GPU, this));
+  process_.reset(new BrowserChildProcessHostImpl(PROCESS_TYPE_GPU, this,
+                                                 child_token_));
 }
 
 GpuProcessHost::~GpuProcessHost() {
   DCHECK(CalledOnValidThread());
 
   SendOutstandingReplies();
 
   // In case we never started, clean up.
   while (!queued_messages_.empty()) {
     delete queued_messages_.front();
@@ skipping 92 matching lines @@
 bool GpuProcessHost::Init() {
   init_start_time_ = base::TimeTicks::Now();
 
   TRACE_EVENT_INSTANT0("gpu", "LaunchGpuProcess", TRACE_EVENT_SCOPE_THREAD);
 
   std::string channel_id = process_->GetHost()->CreateChannel();
   if (channel_id.empty())
     return false;
 
   DCHECK(!mojo_application_host_);
-  mojo_application_host_.reset(new MojoApplicationHost);
+  mojo_application_host_.reset(new MojoApplicationHost(child_token_));
 
   gpu::GpuPreferences gpu_preferences = GetGpuPreferencesFromCommandLine();
   if (in_process_) {
     DCHECK_CURRENTLY_ON(BrowserThread::IO);
     DCHECK(g_gpu_main_thread_factory);
     in_process_gpu_thread_.reset(
         g_gpu_main_thread_factory(InProcessChildThreadParams(
             channel_id, base::MessageLoop::current()->task_runner(),
             std::string(), mojo_application_host_->GetToken()),
             gpu_preferences));
@@ skipping 620 matching lines @@
   TRACE_EVENT0("gpu", "GpuProcessHost::OnCacheShader");
   ClientIdToShaderCacheMap::iterator iter =
       client_id_to_shader_cache_.find(client_id);
   // If the cache doesn't exist then this is an off the record profile.
   if (iter == client_id_to_shader_cache_.end())
     return;
   iter->second->Cache(GetShaderPrefixKey() + ":" + key, shader);
 }
 
 }  // namespace content