Driver: Move HostInfo::lookupTypeForExtension to ToolChain::LookupTypeForExtension.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110024 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/ToolChain.cpp b/lib/Driver/ToolChain.cpp
index 9fae67d..ab907c1 100644
--- a/lib/Driver/ToolChain.cpp
+++ b/lib/Driver/ToolChain.cpp
@@ -34,3 +34,7 @@
 std::string ToolChain::GetProgramPath(const char *Name, bool WantFile) const {
   return Host.getDriver().GetProgramPath(Name, *this, WantFile);
 }
+
+types::ID ToolChain::LookupTypeForExtension(const char *Ext) const {
+  return types::lookupTypeForExtension(Ext);
+}