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diff --git a/gfx/angle/checkout/src/libANGLE/renderer/ShaderImpl.h b/gfx/angle/checkout/src/libANGLE/renderer/ShaderImpl.h
new file mode 100644
index 0000000000..be50cc754b
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+++ b/gfx/angle/checkout/src/libANGLE/renderer/ShaderImpl.h
@@ -0,0 +1,77 @@
+//
+// Copyright 2014 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.
+//
+
+// ShaderImpl.h: Defines the abstract rx::ShaderImpl class.
+
+#ifndef LIBANGLE_RENDERER_SHADERIMPL_H_
+#define LIBANGLE_RENDERER_SHADERIMPL_H_
+
+#include <functional>
+
+#include "common/angleutils.h"
+#include "libANGLE/Shader.h"
+#include "libANGLE/WorkerThread.h"
+
+namespace gl
+{
+class ShCompilerInstance;
+}  // namespace gl
+
+namespace rx
+{
+
+using UpdateShaderStateFunctor = std::function<void(bool compiled, ShHandle handle)>;
+class WaitableCompileEvent : public angle::WaitableEvent
+{
+  public:
+    WaitableCompileEvent(std::shared_ptr<angle::WaitableEvent> waitableEvent);
+    ~WaitableCompileEvent() override;
+
+    void wait() override;
+
+    bool isReady() override;
+
+    virtual bool getResult() = 0;
+
+    virtual bool postTranslate(std::string *infoLog) = 0;
+
+    const std::string &getInfoLog();
+
+  protected:
+    std::shared_ptr<angle::WaitableEvent> mWaitableEvent;
+    std::string mInfoLog;
+};
+
+class ShaderImpl : angle::NonCopyable
+{
+  public:
+    ShaderImpl(const gl::ShaderState &state) : mState(state) {}
+    virtual ~ShaderImpl() {}
+
+    virtual void destroy() {}
+
+    virtual std::shared_ptr<WaitableCompileEvent> compile(const gl::Context *context,
+                                                          gl::ShCompilerInstance *compilerInstance,
+                                                          ShCompileOptions *options) = 0;
+
+    virtual std::string getDebugInfo() const = 0;
+
+    const gl::ShaderState &getState() const { return mState; }
+
+    virtual angle::Result onLabelUpdate(const gl::Context *context);
+
+  protected:
+    std::shared_ptr<WaitableCompileEvent> compileImpl(const gl::Context *context,
+                                                      gl::ShCompilerInstance *compilerInstance,
+                                                      const std::string &source,
+                                                      ShCompileOptions *compileOptions);
+
+    const gl::ShaderState &mState;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_SHADERIMPL_H_