Pepper: Add MonitorIsExternal function to PPB_Flash_DRM.

chrome/browser/renderer_host/pepper/pepper_flash_drm_host.cc

Index: chrome/browser/renderer_host/pepper/pepper_flash_drm_host.cc
diff --git a/chrome/browser/renderer_host/pepper/pepper_flash_drm_host.cc b/chrome/browser/renderer_host/pepper/pepper_flash_drm_host.cc
index c7f47e573b420379fc071050332b8c8744482ebd..76622b89e6b8b397c09d959b276ec846bc007d5a 100644
--- a/chrome/browser/renderer_host/pepper/pepper_flash_drm_host.cc
+++ b/chrome/browser/renderer_host/pepper/pepper_flash_drm_host.cc
@@ -144,6 +144,8 @@ int32_t PepperFlashDRMHost::OnResourceMessageReceived(
                                         OnHostMsgGetDeviceID)
     PPAPI_DISPATCH_HOST_RESOURCE_CALL_0(PpapiHostMsg_FlashDRM_GetHmonitor,
                                         OnHostMsgGetHmonitor)
+    PPAPI_DISPATCH_HOST_RESOURCE_CALL_0(PpapiHostMsg_FlashDRM_MonitorIsExternal,
+                                        OnHostMsgMonitorIsExternal)
   IPC_END_MESSAGE_MAP()
   return PP_ERROR_FAILED;
 }
@@ -169,6 +171,19 @@ int32_t PepperFlashDRMHost::OnHostMsgGetHmonitor(
   }
 }
 
+int32_t PepperFlashDRMHost::OnHostMsgMonitorIsExternal(
+    ppapi::host::HostMessageContext* context) {
+  int64_t monitor_id = monitor_finder_->GetMonitor();
+  if (monitor_id) {
+    // TODO() get information about whether monitor is external.
+    context->reply_msg =
+        PpapiPluginMsg_FlashDRM_MonitorIsExternalReply(PP_FALSE);
+    return PP_OK;
+  } else {
+    return PP_ERROR_FAILED;
+  }
+}
+
 void PepperFlashDRMHost::GotDeviceID(
     ppapi::host::ReplyMessageContext reply_context,
     const std::string& id,