Allow creating GLImage-backed textures with glTexStorage2D.

gpu/command_buffer/service/gles2_cmd_validation_implementation_autogen.h

Index: gpu/command_buffer/service/gles2_cmd_validation_implementation_autogen.h
diff --git a/gpu/command_buffer/service/gles2_cmd_validation_implementation_autogen.h b/gpu/command_buffer/service/gles2_cmd_validation_implementation_autogen.h
index c5b581a826a69f065e8f434ada10fe28e6ea9c1e..b3821fb57a9d50e241c3480222b56ea0d65a5a21 100644
--- a/gpu/command_buffer/service/gles2_cmd_validation_implementation_autogen.h
+++ b/gpu/command_buffer/service/gles2_cmd_validation_implementation_autogen.h
@@ -971,6 +971,16 @@ static const GLenum valid_texture_bind_target_table_es3[] = {
     GL_TEXTURE_3D, GL_TEXTURE_2D_ARRAY,
 };
 
+bool Validators::TextureBufferUsageValidator::IsValid(
+    const GLenum value) const {
+  switch (value) {
+    case GL_NONE:
+    case GL_TEXTURE_BUFFER_SCANOUT_CHROMIUM:
+      return true;
+  }
+  return false;
+};
+
 bool Validators::TextureCompareFuncValidator::IsValid(
     const GLenum value) const {
   switch (value) {
@@ -1164,8 +1174,11 @@ bool Validators::TextureMinFilterModeValidator::IsValid(
 };
 
 static const GLenum valid_texture_parameter_table[] = {
-    GL_TEXTURE_MAG_FILTER, GL_TEXTURE_MIN_FILTER, GL_TEXTURE_WRAP_S,
+    GL_TEXTURE_MAG_FILTER,
+    GL_TEXTURE_MIN_FILTER,
+    GL_TEXTURE_WRAP_S,
     GL_TEXTURE_WRAP_T,
+    GL_TEXTURE_BUFFER_USAGE_CHROMIUM,
 };
 
 static const GLenum valid_texture_parameter_table_es3[] = {