Update from https://crrev.com/318214

gpu/command_buffer/client/gles2_implementation_impl_autogen.h

Index: gpu/command_buffer/client/gles2_implementation_impl_autogen.h
diff --git a/gpu/command_buffer/client/gles2_implementation_impl_autogen.h b/gpu/command_buffer/client/gles2_implementation_impl_autogen.h
index 625c7473af16d2f27a780be27faca48f03fbbd15..641efde39ff27a48e62c58c04100c6552459dcb6 100644
--- a/gpu/command_buffer/client/gles2_implementation_impl_autogen.h
+++ b/gpu/command_buffer/client/gles2_implementation_impl_autogen.h
@@ -1286,6 +1286,46 @@ void GLES2Implementation::GetShaderSource(GLuint shader,
   }
   CheckGLError();
 }
+void GLES2Implementation::GetSynciv(GLsync sync,
+                                    GLenum pname,
+                                    GLsizei bufsize,
+                                    GLsizei* length,
+                                    GLint* values) {
+  GPU_CLIENT_SINGLE_THREAD_CHECK();
+  GPU_CLIENT_VALIDATE_DESTINATION_OPTIONAL_INITALIZATION(GLsizei, length);
+  GPU_CLIENT_VALIDATE_DESTINATION_INITALIZATION(GLint, values);
+  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGetSynciv(" << sync << ", "
+                     << GLES2Util::GetStringSyncParameter(pname) << ", "
+                     << bufsize << ", " << static_cast<const void*>(length)
+                     << ", " << static_cast<const void*>(values) << ")");
+  if (bufsize < 0) {
+    SetGLError(GL_INVALID_VALUE, "glGetSynciv", "bufsize < 0");
+    return;
+  }
+  TRACE_EVENT0("gpu", "GLES2Implementation::GetSynciv");
+  if (GetSyncivHelper(sync, pname, bufsize, length, values)) {
+    return;
+  }
+  typedef cmds::GetSynciv::Result Result;
+  Result* result = GetResultAs<Result*>();
+  if (!result) {
+    return;
+  }
+  result->SetNumResults(0);
+  helper_->GetSynciv(ToGLuint(sync), pname, GetResultShmId(),
+                     GetResultShmOffset());
+  WaitForCmd();
+  result->CopyResult(values);
+  GPU_CLIENT_LOG_CODE_BLOCK({
+    for (int32_t i = 0; i < result->GetNumResults(); ++i) {
+      GPU_CLIENT_LOG("  " << i << ": " << result->GetData()[i]);
+    }
+  });
+  if (length) {
+    *length = result->GetNumResults();
+  }
+  CheckGLError();
+}
 void GLES2Implementation::GetTexParameterfv(GLenum target,
                                             GLenum pname,
                                             GLfloat* params) {