Initialize all output variables.

BUG=angleproject:1441
TEST=bots

Change-Id: Ia4cf415d8346c3234bf0f548a178ee3ea8cd35c4
Reviewed-on: https://chromium-review.googlesource.com/362110
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Zhenyao Mo <zmo@chromium.org>
Commit-Queue: Zhenyao Mo <zmo@chromium.org>
diff --git a/src/compiler/translator/InitializeVariables.h b/src/compiler/translator/InitializeVariables.h
index 2a141ec..f826032 100644
--- a/src/compiler/translator/InitializeVariables.h
+++ b/src/compiler/translator/InitializeVariables.h
@@ -7,45 +7,12 @@
 #ifndef COMPILER_TRANSLATOR_INITIALIZEVARIABLES_H_
 #define COMPILER_TRANSLATOR_INITIALIZEVARIABLES_H_
 
-#include "compiler/translator/IntermNode.h"
+#include <GLSLANG/ShaderLang.h>
 
-class InitializeVariables : public TIntermTraverser
-{
-  public:
-    struct InitVariableInfo
-    {
-        TString name;
-        TType type;
+class TIntermNode;
 
-        InitVariableInfo(const TString &_name, const TType &_type)
-            : name(_name),
-              type(_type)
-        {
-        }
-    };
-    typedef TVector<InitVariableInfo> InitVariableInfoList;
+typedef std::vector<sh::ShaderVariable> InitVariableList;
 
-    InitializeVariables(const InitVariableInfoList &vars)
-        : TIntermTraverser(true, false, false),
-          mVariables(vars),
-          mCodeInserted(false)
-    {
-    }
-
-  protected:
-    bool visitBinary(Visit, TIntermBinary *node) override { return false; }
-    bool visitUnary(Visit, TIntermUnary *node) override { return false; }
-    bool visitSelection(Visit, TIntermSelection *node) override { return false; }
-    bool visitLoop(Visit, TIntermLoop *node) override { return false; }
-    bool visitBranch(Visit, TIntermBranch *node) override { return false; }
-
-    bool visitAggregate(Visit visit, TIntermAggregate *node) override;
-
-  private:
-    void insertInitCode(TIntermSequence *sequence);
-
-    InitVariableInfoList mVariables;
-    bool mCodeInserted;
-};
+void InitializeVariables(TIntermNode *root, const InitVariableList &vars);
 
 #endif  // COMPILER_TRANSLATOR_INITIALIZEVARIABLES_H_