implement getBufferSubDataAsync prototype

gpu/command_buffer/common/gles2_cmd_format_autogen.h

Index: gpu/command_buffer/common/gles2_cmd_format_autogen.h
diff --git a/gpu/command_buffer/common/gles2_cmd_format_autogen.h b/gpu/command_buffer/common/gles2_cmd_format_autogen.h
index 70b45bad40b068fd363cfeb543df5aa4f962b0bc..d36c079d0d3bdf30e40f881718bf3e3cf0b6ad7c 100644
--- a/gpu/command_buffer/common/gles2_cmd_format_autogen.h
+++ b/gpu/command_buffer/common/gles2_cmd_format_autogen.h
@@ -15189,6 +15189,67 @@ static_assert(offsetof(ProgramPathFragmentInputGenCHROMIUM,
               "offset of ProgramPathFragmentInputGenCHROMIUM coeffs_shm_offset "
               "should be 24");
 
+struct GetBufferSubDataAsyncCHROMIUM {
+  typedef GetBufferSubDataAsyncCHROMIUM ValueType;
+  static const CommandId kCmdId = kGetBufferSubDataAsyncCHROMIUM;
+  static const cmd::ArgFlags kArgFlags = cmd::kFixed;
+  static const uint8_t cmd_flags = CMD_FLAG_SET_TRACE_LEVEL(1);
+
+  static uint32_t ComputeSize() {
+    return static_cast<uint32_t>(sizeof(ValueType));  // NOLINT
+  }
+
+  void SetHeader() { header.SetCmd<ValueType>(); }
+
+  void Init(GLenum _target,
+            GLintptr _offset,
+            GLsizeiptr _size,
+            uint32_t _data_shm_id,
+            uint32_t _data_shm_offset) {
+    SetHeader();
+    target = _target;
+    offset = _offset;
+    size = _size;
+    data_shm_id = _data_shm_id;
+    data_shm_offset = _data_shm_offset;
+  }
+
+  void* Set(void* cmd,
+            GLenum _target,
+            GLintptr _offset,
+            GLsizeiptr _size,
+            uint32_t _data_shm_id,
+            uint32_t _data_shm_offset) {
+    static_cast<ValueType*>(cmd)->Init(_target, _offset, _size, _data_shm_id,
+                                       _data_shm_offset);
+    return NextCmdAddress<ValueType>(cmd);
+  }
+
+  gpu::CommandHeader header;
+  uint32_t target;
+  int32_t offset;
+  int32_t size;
+  uint32_t data_shm_id;
+  uint32_t data_shm_offset;
+};
+
+static_assert(sizeof(GetBufferSubDataAsyncCHROMIUM) == 24,
+              "size of GetBufferSubDataAsyncCHROMIUM should be 24");
+static_assert(offsetof(GetBufferSubDataAsyncCHROMIUM, header) == 0,
+              "offset of GetBufferSubDataAsyncCHROMIUM header should be 0");
+static_assert(offsetof(GetBufferSubDataAsyncCHROMIUM, target) == 4,
+              "offset of GetBufferSubDataAsyncCHROMIUM target should be 4");
+static_assert(offsetof(GetBufferSubDataAsyncCHROMIUM, offset) == 8,
+              "offset of GetBufferSubDataAsyncCHROMIUM offset should be 8");
+static_assert(offsetof(GetBufferSubDataAsyncCHROMIUM, size) == 12,
+              "offset of GetBufferSubDataAsyncCHROMIUM size should be 12");
+static_assert(
+    offsetof(GetBufferSubDataAsyncCHROMIUM, data_shm_id) == 16,
+    "offset of GetBufferSubDataAsyncCHROMIUM data_shm_id should be 16");
+static_assert(
+    offsetof(GetBufferSubDataAsyncCHROMIUM, data_shm_offset) == 20,
+    "offset of GetBufferSubDataAsyncCHROMIUM data_shm_offset should be 20");
+
 struct CoverageModulationCHROMIUM {
   typedef CoverageModulationCHROMIUM ValueType;
   static const CommandId kCmdId = kCoverageModulationCHROMIUM;