Add FilePath to base namespace.

remoting/host/ipc_constants.h

Index: remoting/host/ipc_constants.h
diff --git a/remoting/host/ipc_constants.h b/remoting/host/ipc_constants.h
index 0e6ddc6fb3f388d6f4c573ebcc231c1ceab61030..d99020667b009681d2b22496ef74070982ca2f93 100644
--- a/remoting/host/ipc_constants.h
+++ b/remoting/host/ipc_constants.h
@@ -13,14 +13,14 @@ namespace remoting {
 extern const char kDaemonPipeSwitchName[];
 
 // Name of the daemon process binary.
-extern const FilePath::CharType kDaemonBinaryName[];
+extern const base::FilePath::CharType kDaemonBinaryName[];
 
 // Name of the host process binary.
-extern const FilePath::CharType kHostBinaryName[];
+extern const base::FilePath::CharType kHostBinaryName[];
 
 // Returns the full path to an installed |binary| in |full_path|.
-bool GetInstalledBinaryPath(const FilePath::StringType& binary,
-                            FilePath* full_path);
+bool GetInstalledBinaryPath(const base::FilePath::StringType& binary,
+                            base::FilePath* full_path);
 
 }  // namespace remoting