Remove SkTMin and SkTMax

Use std::min and std::max everywhere.

SkTPin still exists. We can't use std::clamp yet, and even when
we can, it has undefined behavior with NaN. SkTPin is written
to ensure that we return a value in the [lo, hi] range.

Change-Id: I506852a36e024ae405358d5078a872e2c77fa71e
Docs-Preview: https://skia.org/?cl=269357
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/269357
Commit-Queue: Brian Osman <brianosman@google.com>
Reviewed-by: Mike Reed <reed@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
diff --git a/src/pathops/SkPathOpsDebug.cpp b/src/pathops/SkPathOpsDebug.cpp
index b104424..f752f2d 100644
--- a/src/pathops/SkPathOpsDebug.cpp
+++ b/src/pathops/SkPathOpsDebug.cpp
@@ -1120,15 +1120,15 @@
 void SkOpSegment::debugSetCoinT(int index, SkScalar t) const {
     if (fDebugBaseMax < 0 || fDebugBaseIndex == index) {
         fDebugBaseIndex = index;
-        fDebugBaseMin = SkTMin(t, fDebugBaseMin);
-        fDebugBaseMax = SkTMax(t, fDebugBaseMax);
+        fDebugBaseMin = std::min(t, fDebugBaseMin);
+        fDebugBaseMax = std::max(t, fDebugBaseMax);
         return;
     }
     SkASSERT(fDebugBaseMin >= t || t >= fDebugBaseMax);
     if (fDebugLastMax < 0 || fDebugLastIndex == index) {
         fDebugLastIndex = index;
-        fDebugLastMin = SkTMin(t, fDebugLastMin);
-        fDebugLastMax = SkTMax(t, fDebugLastMax);
+        fDebugLastMin = std::min(t, fDebugLastMin);
+        fDebugLastMax = std::max(t, fDebugLastMax);
         return;
     }
     SkASSERT(fDebugLastMin >= t || t >= fDebugLastMax);