Migrate WebRequestRedirectByRegExAction to use RE2 and roll RE2 to revision 97:401ab4168e8e

third_party/re2/util/sparse_array.h

Index: third_party/re2/util/sparse_array.h
diff --git a/third_party/re2/util/sparse_array.h b/third_party/re2/util/sparse_array.h
index c024bedf224e4382fc23f24db06e592453429e0a..3e33f8999315d0c0e0fd3138ee70bafea2eed227 100644
--- a/third_party/re2/util/sparse_array.h
+++ b/third_party/re2/util/sparse_array.h
@@ -224,13 +224,14 @@ class SparseArray {
   int max_size_;
   int* sparse_to_dense_;
   vector<IndexValue> dense_;
+  bool valgrind_;
 
   DISALLOW_EVIL_CONSTRUCTORS(SparseArray);
 };
 
 template<typename Value>
 SparseArray<Value>::SparseArray()
-    : size_(0), max_size_(0), sparse_to_dense_(NULL), dense_() {}
+    : size_(0), max_size_(0), sparse_to_dense_(NULL), dense_(), valgrind_(RunningOnValgrind()) {}
 
 // IndexValue pairs: exposed in SparseArray::iterator.
 template<typename Value>
@@ -272,7 +273,7 @@ void SparseArray<Value>::resize(int new_max_size) {
     if (sparse_to_dense_) {
       memmove(a, sparse_to_dense_, max_size_*sizeof a[0]);
       // Don't need to zero the memory but appease Valgrind.
-      if (RunningOnValgrind()) {
+      if (valgrind_) {
         for (int i = max_size_; i < new_max_size; i++)
           a[i] = 0xababababU;
       }
@@ -417,9 +418,10 @@ void SparseArray<Value>::create_index(int i) {
 template<typename Value> SparseArray<Value>::SparseArray(int max_size) {
   max_size_ = max_size;
   sparse_to_dense_ = new int[max_size];
+  valgrind_ = RunningOnValgrind();
   dense_.resize(max_size);
   // Don't need to zero the new memory, but appease Valgrind.
-  if (RunningOnValgrind()) {
+  if (valgrind_) {
     for (int i = 0; i < max_size; i++) {
       sparse_to_dense_[i] = 0xababababU;
       dense_[i].index_ = 0xababababU;