Use SkClipOp::kFoo instead of kFoo_SkClipOp from SkClipOpPriv

The SkClipOpPriv.h header will be going away soon, but a number of
places still use its kIntersect_SkClipOp definitions instead of the
equivalent SkClipOp::kIntersect. Besides updating these references,
a number of unnecessary includes to SkClipOpPriv.h are removed and
some test cases exercising expanding clip ops are deleted since they
will be unnecessary shortly.

Bug: skia:10208
Change-Id: I2bbdd6bb39869134c6a80ef2b4482e6cabdeb0b7
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/436157
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Michael Ludwig <michaelludwig@google.com>
diff --git a/gm/complexclip.cpp b/gm/complexclip.cpp
index 2cab073..fa81908 100644
--- a/gm/complexclip.cpp
+++ b/gm/complexclip.cpp
@@ -21,7 +21,6 @@
 #include "include/core/SkTypeface.h"
 #include "include/core/SkTypes.h"
 #include "include/effects/SkGradientShader.h"
-#include "src/core/SkClipOpPriv.h"
 #include "tools/Resources.h"
 #include "tools/ToolUtils.h"
 
@@ -90,8 +89,8 @@
             SkClipOp fOp;
             const char*      fName;
         } gOps[] = { //extra spaces in names for measureText
-            {kIntersect_SkClipOp,         "Isect "},
-            {kDifference_SkClipOp,        "Diff " },
+            {SkClipOp::kIntersect,         "Isect "},
+            {SkClipOp::kDifference,        "Diff " },
         };
 
         canvas->translate(20, 20);