Get web-app name, MIME type and description from gyp file for all platforms, and brand correctly.

remoting/host/plugin/host_plugin.cc

Index: remoting/host/plugin/host_plugin.cc
diff --git a/remoting/host/plugin/host_plugin.cc b/remoting/host/plugin/host_plugin.cc
index 12bb7802c22a1afe51666ed63c8ebaee405b38e5..5cc81fea99a41b002cebbf4738236d8662134312 100644
--- a/remoting/host/plugin/host_plugin.cc
+++ b/remoting/host/plugin/host_plugin.cc
@@ -52,12 +52,6 @@ namespace {
 
 base::AtExitManager* g_at_exit_manager = NULL;
 
-// The name and description are returned by GetValue, but are also
-// combined with the MIME type to satisfy GetMIMEDescription, so we
-// use macros here to allow that to happen at compile-time.
-#define HOST_PLUGIN_NAME "Remoting Host Plugin"
-#define HOST_PLUGIN_DESCRIPTION "Remoting Host Plugin"
-
 // NPAPI plugin implementation for remoting host.
 // Documentation for most of the calls in this class can be found here:
 // https://developer.mozilla.org/en/Gecko_Plugin_API_Reference/Scripting_plugins