Replaced usages of size_type with size_t to be more consistent.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180947 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/ADT/StringRef.h

@@ -260,47 +260,47 @@ namespace llvm {
 
     /// Find the first character in the string that is \p C, or npos if not
     /// found. Same as find.
-    size_type find_first_of(char C, size_t From = 0) const {
+    size_t find_first_of(char C, size_t From = 0) const {
       return find(C, From);
     }
 
     /// Find the first character in the string that is in \p Chars, or npos if
     /// not found.
     ///
     /// Complexity: O(size() + Chars.size())
-    size_type find_first_of(StringRef Chars, size_t From = 0) const;
+    size_t find_first_of(StringRef Chars, size_t From = 0) const;
 
     /// Find the first character in the string that is not \p C or npos if not
     /// found.
-    size_type find_first_not_of(char C, size_t From = 0) const;
+    size_t find_first_not_of(char C, size_t From = 0) const;
 
     /// Find the first character in the string that is not in the string
     /// \p Chars, or npos if not found.
     ///
     /// Complexity: O(size() + Chars.size())
-    size_type find_first_not_of(StringRef Chars, size_t From = 0) const;
+    size_t find_first_not_of(StringRef Chars, size_t From = 0) const;
 
     /// Find the last character in the string that is \p C, or npos if not
     /// found.
-    size_type find_last_of(char C, size_t From = npos) const {
+    size_t find_last_of(char C, size_t From = npos) const {
       return rfind(C, From);
     }
 
     /// Find the last character in the string that is in \p C, or npos if not
     /// found.
     ///
     /// Complexity: O(size() + Chars.size())
-    size_type find_last_of(StringRef Chars, size_t From = npos) const;
+    size_t find_last_of(StringRef Chars, size_t From = npos) const;
 
     /// Find the last character in the string that is not \p C, or npos if not
     /// found.
-    size_type find_last_not_of(char C, size_t From = npos) const;
+    size_t find_last_not_of(char C, size_t From = npos) const;
 
     /// Find the last character in the string that is not in \p Chars, or
     /// npos if not found.
     ///
     /// Complexity: O(size() + Chars.size())
-    size_type find_last_not_of(StringRef Chars, size_t From = npos) const;
+    size_t find_last_not_of(StringRef Chars, size_t From = npos) const;
 
     /// @}
     /// @name Helpful Algorithms