Port visitedlink tests to Linux. Also make them pass on Linux, which

chrome/browser/visitedlink_master.cc

Index: chrome/browser/visitedlink_master.cc
diff --git a/chrome/browser/visitedlink_master.cc b/chrome/browser/visitedlink_master.cc
index e45c059a0730bcb0efb5e169ac83ff7793f638e2..09a3beeb2f11fa567fcd7483ec7f1641a7bcec14 100644
--- a/chrome/browser/visitedlink_master.cc
+++ b/chrome/browser/visitedlink_master.cc
@@ -582,6 +582,10 @@ bool VisitedLinkMaster::InitFromFile() {
   }
   used_items_ = used_count;
 
+#ifndef NDEBUG
+  DebugValidate();
+#endif
+
   file_ = file_closer.release();
   return true;
 }
@@ -597,6 +601,10 @@ bool VisitedLinkMaster::InitFromScratch(bool suppress_rebuild) {
   if (!CreateURLTable(table_size, true))
     return false;
 
+#ifndef NDEBUG
+  DebugValidate();
+#endif
+
   if (suppress_rebuild) {
     // When we disallow rebuilds (normally just unit tests), just use the
     // current empty table.
@@ -713,10 +721,6 @@ bool VisitedLinkMaster::CreateURLTable(int32 num_entries, bool init_to_empty) {
   hash_table_ = reinterpret_cast<Fingerprint*>(
       static_cast<char*>(shared_memory_->memory()) + sizeof(SharedHeader));
 
-#ifndef NDEBUG
-  DebugValidate();
-#endif
-
   return true;
 }
 
@@ -731,6 +735,11 @@ bool VisitedLinkMaster::BeginReplaceURLTable(int32 num_entries) {
     table_length_ = old_table_length;
     return false;
   }
+
+#ifndef NDEBUG
+  DebugValidate();
+#endif
+
   return true;
 }