Generate and connect a Pepper identifier for Chrome OS

ppapi/proxy/ppb_flash_proxy.cc

Index: ppapi/proxy/ppb_flash_proxy.cc
diff --git a/ppapi/proxy/ppb_flash_proxy.cc b/ppapi/proxy/ppb_flash_proxy.cc
index 842abeb47300b37c0b5045ae506b22f3d6a24e03..4cdb338fd07769da48a6606c783839ba7f5a7008 100644
--- a/ppapi/proxy/ppb_flash_proxy.cc
+++ b/ppapi/proxy/ppb_flash_proxy.cc
@@ -424,6 +424,8 @@ bool PPB_Flash_Proxy::OnMessageReceived(const IPC::Message& msg) {
                         OnHostMsgOpenFileRef)
     IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBFlash_QueryFileRef,
                         OnHostMsgQueryFileRef)
+    IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBFlash_GetDeviceID,
+                        OnHostMsgGetDeviceID)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   // TODO(brettw) handle bad messages!
@@ -550,8 +552,8 @@ void PPB_Flash_Proxy::UpdateActivity(PP_Instance instance) {
 
 PP_Var PPB_Flash_Proxy::GetDeviceID(PP_Instance instance) {
   std::string id;
-  PluginGlobals::Get()->plugin_proxy_delegate()->SendToBrowser(
-      new PpapiHostMsg_PPBFlash_GetDeviceID(API_ID_PPB_FLASH, &id));
+  dispatcher()->Send(new PpapiHostMsg_PPBFlash_GetDeviceID(
+      API_ID_PPB_FLASH, instance, &id));
   return StringVar::StringToPPVar(id);
 }
 
@@ -1139,5 +1141,18 @@ void PPB_Flash_Proxy::OnHostMsgQueryFileRef(
       instance, host_resource.host_resource(), info);
 }
 
+void PPB_Flash_Proxy::OnHostMsgGetDeviceID(PP_Instance instance,
+                                           std::string* id) {
+  EnterInstanceNoLock enter(instance);
+  *id = "";
+  if (enter.succeeded()) {
+    PP_Var id_var = enter.functions()->GetFlashAPI()->GetDeviceID(instance);
+    StringVar* id_str = StringVar::FromPPVar(id_var);
+    if (id_str) {
+      *id = id_str->value();
+    }
+  }
+}
+
 }  // namespace proxy
 }  // namespace ppapi