Remove TFunctionSymbolInfo from TIntermAggregate

All the information stored in TFunctionSymbolInfo was duplicated from
the TFunction that the aggregate node pointed to.

BUG=angleproject:2267
TEST=angle_unittests

Change-Id: I1f5574ab0416e5cae00c3dae6fc11d2fe1fa128c
Reviewed-on: https://chromium-review.googlesource.com/827065
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Olli Etuaho <oetuaho@nvidia.com>
diff --git a/src/compiler/translator/OutputTree.cpp b/src/compiler/translator/OutputTree.cpp
index 6798b35..8bacce9 100644
--- a/src/compiler/translator/OutputTree.cpp
+++ b/src/compiler/translator/OutputTree.cpp
@@ -20,6 +20,14 @@
         << info->getId().get() << ")";
 }
 
+void OutputFunction(TInfoSinkBase &out, const char *str, const TFunction *func)
+{
+    const char *internal =
+        (func->symbolType() == SymbolType::AngleInternal) ? " (internal function)" : "";
+    out << str << internal << ": " << *func->name() << " (symbol id " << func->uniqueId().get()
+        << ")";
+}
+
 // Two purposes:
 // 1.  Show an example of how to iterate tree.  Functions can also directly call traverse() on
 //     children themselves to have finer grained control over the process than shown here, though
@@ -379,14 +387,14 @@
     switch (node->getOp())
     {
         case EOpCallFunctionInAST:
-            OutputFunction(mOut, "Call an user-defined function", node->getFunctionSymbolInfo());
+            OutputFunction(mOut, "Call an user-defined function", node->getFunction());
             break;
         case EOpCallInternalRawFunction:
             OutputFunction(mOut, "Call an internal function with raw implementation",
-                           node->getFunctionSymbolInfo());
+                           node->getFunction());
             break;
         case EOpCallBuiltInFunction:
-            OutputFunction(mOut, "Call a built-in function", node->getFunctionSymbolInfo());
+            OutputFunction(mOut, "Call a built-in function", node->getFunction());
             break;
 
         case EOpConstruct: