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diff --git a/gfx/angle/checkout/src/libANGLE/renderer/SurfaceImpl.h b/gfx/angle/checkout/src/libANGLE/renderer/SurfaceImpl.h
new file mode 100644
index 0000000000..95952d096c
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+++ b/gfx/angle/checkout/src/libANGLE/renderer/SurfaceImpl.h
@@ -0,0 +1,136 @@
+//
+// 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.
+//
+
+// SurfaceImpl.h: Implementation methods of egl::Surface
+
+#ifndef LIBANGLE_RENDERER_SURFACEIMPL_H_
+#define LIBANGLE_RENDERER_SURFACEIMPL_H_
+
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+
+#include "common/angleutils.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/FramebufferAttachment.h"
+#include "libANGLE/renderer/FramebufferAttachmentObjectImpl.h"
+
+namespace angle
+{
+struct Format;
+}
+
+namespace gl
+{
+class Context;
+class FramebufferState;
+}  // namespace gl
+
+namespace egl
+{
+class Display;
+struct Config;
+struct SurfaceState;
+class Thread;
+
+using SupportedTimestamps        = angle::PackedEnumBitSet<Timestamp>;
+using SupportedCompositorTimings = angle::PackedEnumBitSet<CompositorTiming>;
+}  // namespace egl
+
+namespace rx
+{
+class SurfaceImpl : public FramebufferAttachmentObjectImpl
+{
+  public:
+    SurfaceImpl(const egl::SurfaceState &surfaceState);
+    ~SurfaceImpl() override;
+    virtual void destroy(const egl::Display *display) {}
+
+    virtual egl::Error initialize(const egl::Display *display) = 0;
+    virtual egl::Error makeCurrent(const gl::Context *context);
+    virtual egl::Error unMakeCurrent(const gl::Context *context);
+    virtual egl::Error prepareSwap(const gl::Context *);
+    virtual egl::Error swap(const gl::Context *context) = 0;
+    virtual egl::Error swapWithDamage(const gl::Context *context,
+                                      const EGLint *rects,
+                                      EGLint n_rects);
+    virtual egl::Error swapWithFrameToken(const gl::Context *context,
+                                          EGLFrameTokenANGLE frameToken);
+    virtual egl::Error postSubBuffer(const gl::Context *context,
+                                     EGLint x,
+                                     EGLint y,
+                                     EGLint width,
+                                     EGLint height) = 0;
+    virtual egl::Error setPresentationTime(EGLnsecsANDROID time);
+    virtual egl::Error querySurfacePointerANGLE(EGLint attribute, void **value)               = 0;
+    virtual egl::Error bindTexImage(const gl::Context *context,
+                                    gl::Texture *texture,
+                                    EGLint buffer)                                            = 0;
+    virtual egl::Error releaseTexImage(const gl::Context *context, EGLint buffer)             = 0;
+    virtual egl::Error getSyncValues(EGLuint64KHR *ust, EGLuint64KHR *msc, EGLuint64KHR *sbc) = 0;
+    virtual egl::Error getMscRate(EGLint *numerator, EGLint *denominator)                     = 0;
+    virtual void setSwapInterval(EGLint interval)                                             = 0;
+    virtual void setFixedWidth(EGLint width);
+    virtual void setFixedHeight(EGLint height);
+
+    // width and height can change with client window resizing
+    virtual EGLint getWidth() const  = 0;
+    virtual EGLint getHeight() const = 0;
+    // Note: windows cannot be resized on Android.  The approach requires
+    // calling vkGetPhysicalDeviceSurfaceCapabilitiesKHR.  However, that is
+    // expensive; and there are troublesome timing issues for other parts of
+    // ANGLE (which cause test failures and crashes).  Therefore, a
+    // special-Android-only path is created just for the querying of EGL_WIDTH
+    // and EGL_HEIGHT.
+    // https://issuetracker.google.com/issues/153329980
+    virtual egl::Error getUserWidth(const egl::Display *display, EGLint *value) const;
+    virtual egl::Error getUserHeight(const egl::Display *display, EGLint *value) const;
+
+    virtual EGLint isPostSubBufferSupported() const = 0;
+    virtual EGLint getSwapBehavior() const          = 0;
+
+    virtual egl::Error attachToFramebuffer(const gl::Context *context,
+                                           gl::Framebuffer *framebuffer)   = 0;
+    virtual egl::Error detachFromFramebuffer(const gl::Context *context,
+                                             gl::Framebuffer *framebuffer) = 0;
+
+    // Used to query color format from pbuffers created from D3D textures.
+    virtual const angle::Format *getD3DTextureColorFormat() const;
+
+    // EGL_ANDROID_get_frame_timestamps
+    virtual void setTimestampsEnabled(bool enabled);
+    virtual egl::SupportedCompositorTimings getSupportedCompositorTimings() const;
+    virtual egl::Error getCompositorTiming(EGLint numTimestamps,
+                                           const EGLint *names,
+                                           EGLnsecsANDROID *values) const;
+    virtual egl::Error getNextFrameId(EGLuint64KHR *frameId) const;
+    virtual egl::SupportedTimestamps getSupportedTimestamps() const;
+    virtual egl::Error getFrameTimestamps(EGLuint64KHR frameId,
+                                          EGLint numTimestamps,
+                                          const EGLint *timestamps,
+                                          EGLnsecsANDROID *values) const;
+    virtual egl::Error getBufferAge(const gl::Context *context, EGLint *age);
+
+    // EGL_ANDROID_front_buffer_auto_refresh
+    virtual egl::Error setAutoRefreshEnabled(bool enabled);
+
+    // EGL_KHR_lock_surface3
+    virtual egl::Error lockSurface(const egl::Display *display,
+                                   EGLint usageHint,
+                                   bool preservePixels,
+                                   uint8_t **bufferPtrOut,
+                                   EGLint *bufferPitchOut);
+    virtual egl::Error unlockSurface(const egl::Display *display, bool preservePixels);
+    virtual EGLint origin() const;
+
+    virtual egl::Error setRenderBuffer(EGLint renderBuffer);
+
+  protected:
+    const egl::SurfaceState &mState;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_SURFACEIMPL_H_