cc: Remove fixed raster scale, stop rasterizing with will-change.

cc/trees/proxy_common.h

Index: cc/trees/proxy_common.h
diff --git a/cc/trees/proxy_common.h b/cc/trees/proxy_common.h
index e35d3122e4f225bfa5696d84253f28874ecd54c3..42156f7ec05af40e61ccf82b601d2fe208a7e541 100644
--- a/cc/trees/proxy_common.h
+++ b/cc/trees/proxy_common.h
@@ -32,8 +32,6 @@ struct CC_EXPORT BeginMainFrameAndCommitState {
   std::unique_ptr<ScrollAndScaleSet> scroll_info;
   size_t memory_allocation_limit_bytes = 0;
   bool evicted_ui_resources = false;
-  bool has_fixed_raster_scale_blurry_content = false;
-  bool has_fixed_raster_scale_potential_performance_regression = false;
 
   void ToProtobuf(proto::BeginMainFrameAndCommitState* proto) const;
   void FromProtobuf(const proto::BeginMainFrameAndCommitState& proto);