use SkClipOps where we can, legacyClip where we need to rework

cc/resources/raster_source_helper.cc

Index: cc/resources/raster_source_helper.cc
diff --git a/cc/resources/raster_source_helper.cc b/cc/resources/raster_source_helper.cc
index f7ef305a65a4cdc1dc7d8e4263f852d564b201ba..c564b8506a1abe8c9084a2325a7740e460166037 100644
--- a/cc/resources/raster_source_helper.cc
+++ b/cc/resources/raster_source_helper.cc
@@ -55,8 +55,7 @@ void RasterSourceHelper::PrepareForPlaybackToCanvas(
         // after the content bounds grew.
         canvas->save();
         canvas->translate(-canvas_rect.x(), -canvas_rect.y());
-        canvas->clipRect(gfx::RectToSkRect(content_rect),
-                         SkRegion::kDifference_Op);
+        canvas->clipRect(gfx::RectToSkRect(content_rect), kDifference_SkClipOp);
         canvas->drawColor(DebugColors::MissingResizeInvalidations(),
                           SkXfermode::kSrc_Mode);
         canvas->restore();
@@ -68,10 +67,10 @@ void RasterSourceHelper::PrepareForPlaybackToCanvas(
       canvas->translate(-canvas_rect.x(), -canvas_rect.y());
       gfx::Rect inflated_content_rect = content_rect;
       inflated_content_rect.Inset(0, 0, -1, -1);
-      canvas->clipRect(gfx::RectToSkRect(inflated_content_rect),
-                       SkRegion::kReplace_Op);
+      canvas->legacyClipRect(gfx::RectToSkRect(inflated_content_rect),
+                             SkRegion::kReplace_Op);
       canvas->clipRect(gfx::RectToSkRect(deflated_content_rect),
-                       SkRegion::kDifference_Op);
+                       kDifference_SkClipOp);
       canvas->drawColor(background_color, SkXfermode::kSrc_Mode);
       canvas->restore();
     }