Add missing code in embedder.h

Author: JSUYA

flutter/shell/platform/embedder/embedder.h

@@ -407,7 +407,6 @@ typedef struct {
 } FlutterTransformation;
 
 typedef void (*VoidCallback)(void* /* user data */);
-typedef bool (*BoolCallback)(void* /* user data */);
 
 typedef enum {
   /// Specifies an OpenGL texture target type. Textures are specified using
@@ -515,13 +514,6 @@ typedef struct {
   uint32_t name;
   /// The texture format (example GL_RGBA8).
   uint32_t format;
-  /// The pixel data buffer.
-  const uint8_t* buffer;
-  /// The size of pixel buffer.
-  size_t buffer_size;
-  /// Callback invoked that the gpu surface texture start binding.
-  BoolCallback bind_callback;
-
   /// User data to be returned on the invocation of the destruction callback.
   void* user_data;
   /// Callback invoked (on an engine managed thread) that asks the embedder to
@@ -615,6 +607,7 @@ typedef struct {
   uint32_t format;
 } FlutterOpenGLSurface;
 
+typedef bool (*BoolCallback)(void* /* user data */);
 typedef FlutterTransformation (*TransformationCallback)(void* /* user data */);
 typedef uint32_t (*UIntCallback)(void* /* user data */);
 typedef bool (*SoftwareSurfacePresentCallback)(void* /* user data */,