Add stubs for a NULL renderer.

BUG=angleproject:1468

Change-Id: I2ed2b65a4b6f6ea3dda61c0467aef95e407cd38c
Reviewed-on: https://chromium-review.googlesource.com/388844
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Geoff Lang <geofflang@chromium.org>
diff --git a/src/libANGLE/renderer/null/ShaderNULL.cpp b/src/libANGLE/renderer/null/ShaderNULL.cpp
new file mode 100644
index 0000000..168f4bd
--- /dev/null
+++ b/src/libANGLE/renderer/null/ShaderNULL.cpp
@@ -0,0 +1,44 @@
+//
+// Copyright 2016 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.
+//
+// ShaderNULL.cpp:
+//    Implements the class methods for ShaderNULL.
+//
+
+#include "libANGLE/renderer/null/ShaderNULL.h"
+
+#include "common/debug.h"
+
+namespace rx
+{
+
+ShaderNULL::ShaderNULL(const gl::ShaderState &data) : ShaderImpl(data)
+{
+}
+
+ShaderNULL::~ShaderNULL()
+{
+}
+
+ShCompileOptions ShaderNULL::prepareSourceAndReturnOptions(std::stringstream *sourceStream,
+                                                           std::string *sourcePath)
+{
+    UNIMPLEMENTED();
+    return ShCompileOptions();
+}
+
+bool ShaderNULL::postTranslateCompile(gl::Compiler *compiler, std::string *infoLog)
+{
+    UNIMPLEMENTED();
+    return bool();
+}
+
+std::string ShaderNULL::getDebugInfo() const
+{
+    UNIMPLEMENTED();
+    return std::string();
+}
+
+}  // namespace rx