Update some uses of char16 to use the base:: namespace.

remoting/host/win/launch_process_with_token.cc

Index: remoting/host/win/launch_process_with_token.cc
diff --git a/remoting/host/win/launch_process_with_token.cc b/remoting/host/win/launch_process_with_token.cc
index 6cb7e3168c4836f3f80d90ac7a3db0a2e9273111..6251ab9f47d1780c1049574766634c3578c41738 100644
--- a/remoting/host/win/launch_process_with_token.cc
+++ b/remoting/host/win/launch_process_with_token.cc
@@ -290,7 +290,7 @@ bool SendCreateProcessRequest(
     const base::FilePath::StringType& application_name,
     const CommandLine::StringType& command_line,
     DWORD creation_flags,
-    const char16* desktop_name) {
+    const base::char16* desktop_name) {
   // |CreateProcessRequest| structure passes the same parameters to
   // the execution server as CreateProcessAsUser() function does. Strings are
   // stored as wide strings immediately after the structure. String pointers are
@@ -373,7 +373,7 @@ bool CreateRemoteSessionProcess(
     const base::FilePath::StringType& application_name,
     const CommandLine::StringType& command_line,
     DWORD creation_flags,
-    const char16* desktop_name,
+    const base::char16* desktop_name,
     PROCESS_INFORMATION* process_information_out)
 {
   DCHECK_LT(base::win::GetVersion(), base::win::VERSION_VISTA);
@@ -456,7 +456,7 @@ bool LaunchProcessWithToken(const base::FilePath& binary,
                             SECURITY_ATTRIBUTES* thread_attributes,
                             bool inherit_handles,
                             DWORD creation_flags,
-                            const char16* desktop_name,
+                            const base::char16* desktop_name,
                             ScopedHandle* process_out,
                             ScopedHandle* thread_out) {
   base::FilePath::StringType application_name = binary.value();
@@ -465,7 +465,7 @@ bool LaunchProcessWithToken(const base::FilePath& binary,
   memset(&startup_info, 0, sizeof(startup_info));
   startup_info.cb = sizeof(startup_info);
   if (desktop_name)
-    startup_info.lpDesktop = const_cast<char16*>(desktop_name);
+    startup_info.lpDesktop = const_cast<base::char16*>(desktop_name);
 
   PROCESS_INFORMATION temp_process_info = {};
   BOOL result = CreateProcessAsUser(user_token,