command_buffer: MAX/BASE_LEVEL fixes for GetTexParameter

gpu/command_buffer/service/texture_manager.cc

Index: gpu/command_buffer/service/texture_manager.cc
diff --git a/gpu/command_buffer/service/texture_manager.cc b/gpu/command_buffer/service/texture_manager.cc
index ba79b2a3890fe5bdce0c3f75fc42ecdc21000f8e..8e258258bcbdc925a5ca8c60761ad96b1c263286 100644
--- a/gpu/command_buffer/service/texture_manager.cc
+++ b/gpu/command_buffer/service/texture_manager.cc
@@ -1215,10 +1215,8 @@ GLenum Texture::SetParameterf(
     case GL_TEXTURE_BASE_LEVEL:
     case GL_TEXTURE_MAX_LEVEL:
     case GL_TEXTURE_USAGE_ANGLE:
-      {
-        GLint iparam = static_cast<GLint>(param);
-        return SetParameteri(feature_info, pname, iparam);
-      }
+      GLint iparam = static_cast<GLint>(std::round(param));
+      return SetParameteri(feature_info, pname, iparam);
     case GL_TEXTURE_MIN_LOD:
       sampler_state_.min_lod = param;
       break;