Remove SK_MaxSizeT, SK_M{in|ax}U{16|32}, #defines.

sed 's/SK_MaxSizeT/SIZE_MAX/g'
sed 's/SK_MaxU32/UINT32_MAX/g'
sed 's/SK_MaxU16/UINT16_MAX/g'

SK_MinU32 and SK_MinU16 were unused

Change-Id: I6b6c824df47b05bde7e73b13a58e851a5f63fe0e
Reviewed-on: https://skia-review.googlesource.com/134607
Commit-Queue: Hal Canary <halcanary@google.com>
Reviewed-by: Ben Wagner <bungeman@google.com>
diff --git a/src/core/SkString.cpp b/src/core/SkString.cpp
index a6d9335..a9c1d82 100644
--- a/src/core/SkString.cpp
+++ b/src/core/SkString.cpp
@@ -178,18 +178,18 @@
 
 static uint32_t trim_size_t_to_u32(size_t value) {
     if (sizeof(size_t) > sizeof(uint32_t)) {
-        if (value > SK_MaxU32) {
-            value = SK_MaxU32;
+        if (value > UINT32_MAX) {
+            value = UINT32_MAX;
         }
     }
     return (uint32_t)value;
 }
 
 static size_t check_add32(size_t base, size_t extra) {
-    SkASSERT(base <= SK_MaxU32);
+    SkASSERT(base <= UINT32_MAX);
     if (sizeof(size_t) > sizeof(uint32_t)) {
-        if (base + extra > SK_MaxU32) {
-            extra = SK_MaxU32 - base;
+        if (base + extra > UINT32_MAX) {
+            extra = UINT32_MAX - base;
         }
     }
     return extra;