Style cleanup in preparation for auto-linting base/.

base/string_piece.h

Index: base/string_piece.h
diff --git a/base/string_piece.h b/base/string_piece.h
index 47d49684548f62d99b9ce7af33947e05cba17ec1..5b4bf40e0b59d14ed705097fde52c93c4dd2a47b 100644
--- a/base/string_piece.h
+++ b/base/string_piece.h
@@ -55,8 +55,14 @@ class StringPiece {
   size_type length() const { return length_; }
   bool empty() const { return length_ == 0; }
 
-  void clear() { ptr_ = NULL; length_ = 0; }
-  void set(const char* data, size_type len) { ptr_ = data; length_ = len; }
+  void clear() {
+    ptr_ = NULL;
+    length_ = 0;
+  }
+  void set(const char* data, size_type len) {
+    ptr_ = data;
+    length_ = len;
+  }
   void set(const char* str) {
     ptr_ = str;
     length_ = str ? strlen(str) : 0;