diff -r 000000000000 -r 6474c204b198 gfx/angle/src/compiler/TranslatorESSL.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gfx/angle/src/compiler/TranslatorESSL.cpp	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,43 @@
+//
+// Copyright (c) 2002-2011 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#include "compiler/TranslatorESSL.h"
+
+#include "compiler/OutputESSL.h"
+
+TranslatorESSL::TranslatorESSL(ShShaderType type, ShShaderSpec spec)
+    : TCompiler(type, spec) {
+}
+
+void TranslatorESSL::translate(TIntermNode* root) {
+    TInfoSinkBase& sink = getInfoSink().obj;
+
+    // Write built-in extension behaviors.
+    writeExtensionBehavior();
+
+    // Write emulated built-in functions if needed.
+    getBuiltInFunctionEmulator().OutputEmulatedFunctionDefinition(
+        sink, getShaderType() == SH_FRAGMENT_SHADER);
+
+    // Write array bounds clamping emulation if needed.
+    getArrayBoundsClamper().OutputClampingFunctionDefinition(sink);
+
+    // Write translated shader.
+    TOutputESSL outputESSL(sink, getArrayIndexClampingStrategy(), getHashFunction(), getNameMap(), getSymbolTable());
+    root->traverse(&outputESSL);
+}
+
+void TranslatorESSL::writeExtensionBehavior() {
+    TInfoSinkBase& sink = getInfoSink().obj;
+    const TExtensionBehavior& extensionBehavior = getExtensionBehavior();
+    for (TExtensionBehavior::const_iterator iter = extensionBehavior.begin();
+         iter != extensionBehavior.end(); ++iter) {
+        if (iter->second != EBhUndefined) {
+            sink << "#extension " << iter->first << " : "
+                 << getBehaviorString(iter->second) << "\n";
+        }
+    }
+}