Do not expose DrishtiGraphGPUData.h in public header

This class is an implementation detail.

PiperOrigin-RevId: 490530823

mediapipe/gpu/BUILD

@@ -550,12 +550,7 @@ cc_library(
     name = "gpu_shared_data_header",
     textual_hdrs = [
         "gpu_shared_data_internal.h",
-    ] + select({
-        "//conditions:default": [],
-        "//mediapipe:apple": [
-            "MPPGraphGPUData.h",
     ],
-    }),
     visibility = ["//visibility:private"],
     deps = [
         ":gl_base",

mediapipe/gpu/MPPMetalHelper.h

@@ -21,13 +21,11 @@
 
 #include "mediapipe/framework/packet.h"
 #include "mediapipe/framework/packet_type.h"
-#include "mediapipe/gpu/MPPGraphGPUData.h"
 #include "mediapipe/gpu/gpu_shared_data_internal.h"
 
 NS_ASSUME_NONNULL_BEGIN
 
 @interface MPPMetalHelper : NSObject {
-  MPPGraphGPUData* _gpuShared;
 }
 
 - (instancetype)init NS_UNAVAILABLE;

mediapipe/gpu/MPPMetalHelper.mm

@@ -14,11 +14,17 @@
 
 #import "mediapipe/gpu/MPPMetalHelper.h"
 
+#import "mediapipe/gpu/MPPGraphGPUData.h"
 #import "mediapipe/gpu/graph_support.h"
 #import "GTMDefines.h"
 
 #include "mediapipe/framework/port/ret_check.h"
 
+@interface MPPMetalHelper () {
+  MPPGraphGPUData* _gpuShared;
+}
+@end
+
 namespace mediapipe {
 
 // Using a C++ class so it can be declared as a friend of LegacyCalculatorSupport.

mediapipe/objc/MPPGraph.mm

@@ -24,7 +24,6 @@
 #include "mediapipe/framework/formats/image.h"
 #include "mediapipe/framework/formats/image_frame.h"
 #include "mediapipe/framework/graph_service.h"
-#include "mediapipe/gpu/MPPGraphGPUData.h"
 #include "mediapipe/gpu/gl_base.h"
 #include "mediapipe/gpu/gpu_shared_data_internal.h"
 #include "mediapipe/objc/util.h"