cc: Trigger GPU rasterization based on a per-layer hint

cc/test/hybrid_rasterization_settings.h

Index: cc/test/hybrid_rasterization_settings.h
diff --git a/cc/test/hybrid_rasterization_settings.h b/cc/test/hybrid_rasterization_settings.h
new file mode 100644
index 0000000000000000000000000000000000000000..f99bfd2efe605fe463481447ac17885223a361f3
--- /dev/null
+++ b/cc/test/hybrid_rasterization_settings.h
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+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CC_TEST_HYBRID_RASTERIZATION_SETTINGS_H_
+#define CC_TEST_HYBRID_RASTERIZATION_SETTINGS_H_
+
+#include "cc/trees/layer_tree_settings.h"
+
+namespace cc {
+
+class HybridRasterizationSettings : public LayerTreeSettings {
+ public:
+  HybridRasterizationSettings() {
+    impl_side_painting = true;
+    rasterization_site = HybridRasterization;
+  }
+};
+
+}  // namespace cc
+
+#endif  // CC_TEST_HYBRID_RASTERIZATION_SETTINGS_H_