Rename TIntermSelection to TIntermIfElse

Now that ternary nodes are not represented by TIntermSelection any
more, TIntermIfElse is an easier name to understand for newcomers to
the code.

BUG=angleproject:1490
TEST=angle_unittests

Change-Id: Ia1e04e356ab93409400245092a84533d7dfd129d
Reviewed-on: https://chromium-review.googlesource.com/385416
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Olli Etuaho <oetuaho@nvidia.com>
diff --git a/src/compiler/translator/OutputHLSL.h b/src/compiler/translator/OutputHLSL.h
index ebc0033..6a5d6b7 100644
--- a/src/compiler/translator/OutputHLSL.h
+++ b/src/compiler/translator/OutputHLSL.h
@@ -62,7 +62,7 @@
     bool visitBinary(Visit visit, TIntermBinary*);
     bool visitUnary(Visit visit, TIntermUnary*);
     bool visitTernary(Visit visit, TIntermTernary *);
-    bool visitSelection(Visit visit, TIntermSelection*);
+    bool visitIfElse(Visit visit, TIntermIfElse *);
     bool visitSwitch(Visit visit, TIntermSwitch *);
     bool visitCase(Visit visit, TIntermCase *);
     bool visitAggregate(Visit visit, TIntermAggregate*);
@@ -105,7 +105,7 @@
                                      TIntermTyped *expression);
 
     void writeDeferredGlobalInitializers(TInfoSinkBase &out);
-    void writeSelection(TInfoSinkBase &out, TIntermSelection *node);
+    void writeIfElse(TInfoSinkBase &out, TIntermIfElse *node);
 
     // Returns the function name
     TString addStructEqualityFunction(const TStructure &structure);