gpu: Add the ability to wait on upload completion.

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 dea500335efa1816361323950f912613c2d2a445..7597a511d0148ea6a97c737a1c7f4fa7234f2fe3 100644
--- a/gpu/command_buffer/common/gles2_cmd_format_autogen.h
+++ b/gpu/command_buffer/common/gles2_cmd_format_autogen.h
@@ -10730,6 +10730,40 @@ COMPILE_ASSERT(offsetof(AsyncTexImage2DCHROMIUM, pixels_shm_id) == 36,
 COMPILE_ASSERT(offsetof(AsyncTexImage2DCHROMIUM, pixels_shm_offset) == 40,
                OffsetOf_AsyncTexImage2DCHROMIUM_pixels_shm_offset_not_40);
 
+struct WaitAsyncTexImage2DCHROMIUM {
+  typedef WaitAsyncTexImage2DCHROMIUM ValueType;
+  static const CommandId kCmdId = kWaitAsyncTexImage2DCHROMIUM;
+  static const cmd::ArgFlags kArgFlags = cmd::kFixed;
+
+  static uint32 ComputeSize() {
+    return static_cast<uint32>(sizeof(ValueType));  // NOLINT
+  }
+
+  void SetHeader() {
+    header.SetCmd<ValueType>();
+  }
+
+  void Init(GLenum _target) {
+    SetHeader();
+    target = _target;
+  }
+
+  void* Set(void* cmd, GLenum _target) {
+    static_cast<ValueType*>(cmd)->Init(_target);
+    return NextCmdAddress<ValueType>(cmd);
+  }
+
+  gpu::CommandHeader header;
+  uint32 target;
+};
+
+COMPILE_ASSERT(sizeof(WaitAsyncTexImage2DCHROMIUM) == 8,
+               Sizeof_WaitAsyncTexImage2DCHROMIUM_is_not_8);
+COMPILE_ASSERT(offsetof(WaitAsyncTexImage2DCHROMIUM, header) == 0,
+               OffsetOf_WaitAsyncTexImage2DCHROMIUM_header_not_0);
+COMPILE_ASSERT(offsetof(WaitAsyncTexImage2DCHROMIUM, target) == 4,
+               OffsetOf_WaitAsyncTexImage2DCHROMIUM_target_not_4);
+
 struct DiscardFramebufferEXT {
   typedef DiscardFramebufferEXT ValueType;
   static const CommandId kCmdId = kDiscardFramebufferEXT;