Fixed all unused-variable Clang warnings on Windows.

remoting/host/remoting_me2me_host.cc

Index: remoting/host/remoting_me2me_host.cc
diff --git a/remoting/host/remoting_me2me_host.cc b/remoting/host/remoting_me2me_host.cc
index 00e41a481a3929c554d2514447217017661f3ef0..fb6907c3f0e8c53c70f62f93f1d6fb0ca70076a2 100644
--- a/remoting/host/remoting_me2me_host.cc
+++ b/remoting/host/remoting_me2me_host.cc
@@ -116,9 +116,15 @@ using remoting::protocol::NetworkSettings;
 
 namespace {
 
+#if !defined(REMOTING_MULTI_PROCESS)
 // This is used for tagging system event logs.
 const char kApplicationName[] = "chromoting";
 
+// Value used for --host-config option to indicate that the path must be read
+// from stdin.
+const char kStdinConfigPath[] = "-";
+#endif  // !defined(REMOTING_MULTI_PROCESS)
+
 #if defined(OS_LINUX)
 // The command line switch used to pass name of the pipe to capture audio on
 // linux.
@@ -139,10 +145,6 @@ const char kEnableVp9SwitchName[] = "enable-vp9";
 // Command line switch used to enable and configure the frame-recorder.
 const char kFrameRecorderBufferKbName[] = "frame-recorder-buffer-kb";
 
-// Value used for --host-config option to indicate that the path must be read
-// from stdin.
-const char kStdinConfigPath[] = "-";
-
 const char kWindowIdSwitchName[] = "window-id";
 
 // Maximum time to wait for clean shutdown to occur, before forcing termination