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diff --git a/gfx/angle/src/libANGLE/Shader.h b/gfx/angle/src/libANGLE/Shader.h
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+++ b/gfx/angle/src/libANGLE/Shader.h
@@ -0,0 +1,154 @@
+//
+// Copyright (c) 2002-2013 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.
+//
+
+// Shader.h: Defines the abstract gl::Shader class and its concrete derived
+// classes VertexShader and FragmentShader. Implements GL shader objects and
+// related functionality. [OpenGL ES 2.0.24] section 2.10 page 24 and section
+// 3.8 page 84.
+
+#ifndef LIBANGLE_SHADER_H_
+#define LIBANGLE_SHADER_H_
+
+#include <string>
+#include <list>
+#include <vector>
+
+#include "angle_gl.h"
+#include <GLSLANG/ShaderLang.h>
+
+#include "common/angleutils.h"
+#include "libANGLE/angletypes.h"
+#include "libANGLE/Debug.h"
+
+namespace rx
+{
+class GLImplFactory;
+class ShaderImpl;
+class ShaderSh;
+}
+
+namespace gl
+{
+class Compiler;
+class ContextState;
+struct Limitations;
+class ResourceManager;
+class Context;
+
+class ShaderState final : angle::NonCopyable
+{
+  public:
+    ShaderState(GLenum shaderType);
+    ~ShaderState();
+
+    const std::string &getLabel() const { return mLabel; }
+
+    const std::string &getSource() const { return mSource; }
+    const std::string &getTranslatedSource() const { return mTranslatedSource; }
+
+    GLenum getShaderType() const { return mShaderType; }
+    int getShaderVersion() const { return mShaderVersion; }
+
+    const std::vector<sh::Varying> &getVaryings() const { return mVaryings; }
+    const std::vector<sh::Uniform> &getUniforms() const { return mUniforms; }
+    const std::vector<sh::InterfaceBlock> &getInterfaceBlocks() const { return mInterfaceBlocks; }
+    const std::vector<sh::Attribute> &getActiveAttributes() const { return mActiveAttributes; }
+    const std::vector<sh::OutputVariable> &getActiveOutputVariables() const
+    {
+        return mActiveOutputVariables;
+    }
+
+  private:
+    friend class Shader;
+
+    std::string mLabel;
+
+    GLenum mShaderType;
+    int mShaderVersion;
+    std::string mTranslatedSource;
+    std::string mSource;
+
+    sh::WorkGroupSize mLocalSize;
+
+    std::vector<sh::Varying> mVaryings;
+    std::vector<sh::Uniform> mUniforms;
+    std::vector<sh::InterfaceBlock> mInterfaceBlocks;
+    std::vector<sh::Attribute> mActiveAttributes;
+    std::vector<sh::OutputVariable> mActiveOutputVariables;
+};
+
+class Shader final : angle::NonCopyable, public LabeledObject
+{
+  public:
+    Shader(ResourceManager *manager,
+           rx::GLImplFactory *implFactory,
+           const gl::Limitations &rendererLimitations,
+           GLenum type,
+           GLuint handle);
+
+    virtual ~Shader();
+
+    void setLabel(const std::string &label) override;
+    const std::string &getLabel() const override;
+
+    GLenum getType() const { return mType; }
+    GLuint getHandle() const;
+
+    rx::ShaderImpl *getImplementation() const { return mImplementation; }
+
+    void deleteSource();
+    void setSource(GLsizei count, const char *const *string, const GLint *length);
+    int getInfoLogLength() const;
+    void getInfoLog(GLsizei bufSize, GLsizei *length, char *infoLog) const;
+    int getSourceLength() const;
+    void getSource(GLsizei bufSize, GLsizei *length, char *buffer) const;
+    int getTranslatedSourceLength() const;
+    int getTranslatedSourceWithDebugInfoLength() const;
+    const std::string &getTranslatedSource() const { return mState.getTranslatedSource(); }
+    void getTranslatedSource(GLsizei bufSize, GLsizei *length, char *buffer) const;
+    void getTranslatedSourceWithDebugInfo(GLsizei bufSize, GLsizei *length, char *buffer) const;
+
+    void compile(const Context *context);
+    bool isCompiled() const { return mCompiled; }
+
+    void addRef();
+    void release();
+    unsigned int getRefCount() const;
+    bool isFlaggedForDeletion() const;
+    void flagForDeletion();
+
+    int getShaderVersion() const;
+
+    const std::vector<sh::Varying> &getVaryings() const;
+    const std::vector<sh::Uniform> &getUniforms() const;
+    const std::vector<sh::InterfaceBlock> &getInterfaceBlocks() const;
+    const std::vector<sh::Attribute> &getActiveAttributes() const;
+    const std::vector<sh::OutputVariable> &getActiveOutputVariables() const;
+
+    int getSemanticIndex(const std::string &attributeName) const;
+
+    const sh::WorkGroupSize &getWorkGroupSize() const { return mState.mLocalSize; }
+
+  private:
+    static void getSourceImpl(const std::string &source, GLsizei bufSize, GLsizei *length, char *buffer);
+
+    ShaderState mState;
+    rx::ShaderImpl *mImplementation;
+    const gl::Limitations &mRendererLimitations;
+    const GLuint mHandle;
+    const GLenum mType;
+    unsigned int mRefCount;     // Number of program objects this shader is attached to
+    bool mDeleteStatus;         // Flag to indicate that the shader can be deleted when no longer in use
+    bool mCompiled;             // Indicates if this shader has been successfully compiled
+    std::string mInfoLog;
+
+    ResourceManager *mResourceManager;
+};
+
+bool CompareShaderVar(const sh::ShaderVariable &x, const sh::ShaderVariable &y);
+}
+
+#endif   // LIBANGLE_SHADER_H_