Rename compiler intermediate source files.

This prevents confusion between "TIntermediate" and "TIntermNode".

BUG=angle:711

Change-Id: Ib7a086382a479db3f77bf2ab06ce321aa7b35d13
Reviewed-on: https://chromium-review.googlesource.com/212936
Tested-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Zhenyao Mo <zmo@chromium.org>
Reviewed-by: Nicolas Capens <capn@chromium.org>
diff --git a/src/compiler/translator/IntermTraverse.cpp b/src/compiler/translator/IntermTraverse.cpp
index 48d2013..72b2033 100644
--- a/src/compiler/translator/IntermTraverse.cpp
+++ b/src/compiler/translator/IntermTraverse.cpp
@@ -4,7 +4,7 @@
 // found in the LICENSE file.
 //
 
-#include "compiler/translator/intermediate.h"
+#include "compiler/translator/IntermNode.h"
 
 //
 // Traverse the intermediate representation tree, and