Unify graphics buffer format & usage enums for GpuMemoryBuffer & SurfaceFactoryOzone

ui/gl/gl_image_io_surface.h

Index: ui/gl/gl_image_io_surface.h
diff --git a/ui/gl/gl_image_io_surface.h b/ui/gl/gl_image_io_surface.h
index 28a1e19b80e96579ebce5a58bc20bd3b082996ed..12fd7b57fd1034085b78f398bea646313c512db6 100644
--- a/ui/gl/gl_image_io_surface.h
+++ b/ui/gl/gl_image_io_surface.h
@@ -24,7 +24,7 @@ class GL_EXPORT GLImageIOSurface : public GLImage {
  public:
   GLImageIOSurface(const gfx::Size& size, unsigned internalformat);
 
-  bool Initialize(IOSurfaceRef io_surface, GpuMemoryBuffer::Format format);
+  bool Initialize(IOSurfaceRef io_surface, BufferFormat format);
 
   // Overridden from GLImage:
   void Destroy(bool have_context) override;
@@ -54,7 +54,7 @@ class GL_EXPORT GLImageIOSurface : public GLImage {
  private:
   const gfx::Size size_;
   const unsigned internalformat_;
-  GpuMemoryBuffer::Format format_;
+  BufferFormat format_;
   base::ScopedCFTypeRef<IOSurfaceRef> io_surface_;
   base::ThreadChecker thread_checker_;