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

content/browser/gpu/gpu_process_host.cc

Index: content/browser/gpu/gpu_process_host.cc
diff --git a/content/browser/gpu/gpu_process_host.cc b/content/browser/gpu/gpu_process_host.cc
index 8727e61632ee8cffd2e5c80ec803cc53dd3f61e2..af70856cc2bc503bd7e44fdd614b40b554c9baa4 100644
--- a/content/browser/gpu/gpu_process_host.cc
+++ b/content/browser/gpu/gpu_process_host.cc
@@ -52,6 +52,7 @@
 #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"
@@ -407,7 +408,8 @@ GpuProcessHost::GpuProcessHost(int host_id, GpuProcessKind kind)
       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(
@@ -431,7 +433,8 @@ GpuProcessHost::GpuProcessHost(int host_id, GpuProcessKind kind)
       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() {
@@ -544,7 +547,7 @@ bool GpuProcessHost::Init() {
     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_) {