Rename PPB_Flash_DeviceID interface to PPB_Flash_DRM

ppapi/cpp/private/flash_drm.cc

Index: ppapi/cpp/private/flash_drm.cc
diff --git a/ppapi/cpp/private/flash_device_id.cc b/ppapi/cpp/private/flash_drm.cc
similarity index 54%
copy from ppapi/cpp/private/flash_device_id.cc
copy to ppapi/cpp/private/flash_drm.cc
index 6ed893573ec75f8aefb87ea7393db1e4713ee234..7307445fb2ef0379568b1999ecb9a4103733f150 100644
--- a/ppapi/cpp/private/flash_device_id.cc
+++ b/ppapi/cpp/private/flash_drm.cc
@@ -2,16 +2,21 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "ppapi/cpp/private/flash_device_id.h"
+#include "ppapi/cpp/private/flash_drm.h"
 
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/c/private/ppb_flash_device_id.h"
+#include "ppapi/c/private/ppb_flash_drm.h"
 #include "ppapi/cpp/module_impl.h"
 
 namespace pp {
 
 namespace {
 
+template <> const char* interface_name<PPB_Flash_DRM_1_0>() {
+  return PPB_FLASH_DRM_INTERFACE_1_0;
+}
+
 template <> const char* interface_name<PPB_Flash_DeviceID_1_0>() {
   return PPB_FLASH_DEVICEID_INTERFACE_1_0;
 }
@@ -20,18 +25,26 @@ template <> const char* interface_name<PPB_Flash_DeviceID_1_0>() {
 
 namespace flash {
 
-DeviceID::DeviceID() {
+DRM::DRM() {
 }
 
-DeviceID::DeviceID(const InstanceHandle& instance) : Resource() {
-  if (has_interface<PPB_Flash_DeviceID_1_0>()) {
+DRM::DRM(const InstanceHandle& instance) : Resource() {
+  if (has_interface<PPB_Flash_DRM_1_0>()) {
+    PassRefFromConstructor(get_interface<PPB_Flash_DRM_1_0>()->Create(
+        instance.pp_instance()));
+  } else if (has_interface<PPB_Flash_DeviceID_1_0>()) {
     PassRefFromConstructor(get_interface<PPB_Flash_DeviceID_1_0>()->Create(
         instance.pp_instance()));
   }
 }
 
-int32_t DeviceID::GetDeviceID(
-    const CompletionCallbackWithOutput<Var>& callback) {
+int32_t DRM::GetDeviceID(const CompletionCallbackWithOutput<Var>& callback) {
+  if (has_interface<PPB_Flash_DRM_1_0>()) {
+    return get_interface<PPB_Flash_DRM_1_0>()->GetDeviceID(
+        pp_resource(),
+        callback.output(),
+        callback.pp_completion_callback());
+  }
   if (has_interface<PPB_Flash_DeviceID_1_0>()) {
     return get_interface<PPB_Flash_DeviceID_1_0>()->GetDeviceID(
         pp_resource(),