Route renderer feature gates through device snapshot

tests/renderer_api/renderer_api_tests.cpp

@@ -610,6 +610,7 @@ public:
             .frame_capture = true,
             .float16_render_targets = true,
             .float32_render_targets = true,
+            .float32_linear_filtering = true,
         };
     }
 
@@ -1761,6 +1762,7 @@ void renderer_interfaces_support_backend_neutral_dispatch(pp::tests::Harness& h)
     PP_EXPECT(h, features.frame_capture);
     PP_EXPECT(h, features.float16_render_targets);
     PP_EXPECT(h, features.float32_render_targets);
+    PP_EXPECT(h, features.float32_linear_filtering);
     PP_EXPECT(h, device.trace()->begin_scope("renderer", "dispatch").ok());
     PP_EXPECT(h, device.trace()->marker("renderer", "begin").ok());
     PP_EXPECT(h, device.trace()->end_scope().ok());