Safe-browsing SBAddPrefix from vector to deque.

chrome/browser/safe_browsing/safe_browsing_store.h

Index: chrome/browser/safe_browsing/safe_browsing_store.h
diff --git a/chrome/browser/safe_browsing/safe_browsing_store.h b/chrome/browser/safe_browsing/safe_browsing_store.h
index 9463b1ca6af86b0b85861752012853bb8065be3a..0966db7fcb79f2962e6276a5d0675dfc056b7196 100644
--- a/chrome/browser/safe_browsing/safe_browsing_store.h
+++ b/chrome/browser/safe_browsing/safe_browsing_store.h
@@ -51,6 +51,8 @@ struct SBAddPrefix {
   SBPrefix GetAddPrefix() const { return prefix; }
 };
 
+typedef std::deque<SBAddPrefix> SBAddPrefixContainer;
+
 struct SBSubPrefix {
   int32 chunk_id;
   int32 add_chunk_id;
@@ -138,7 +140,7 @@ bool SBAddPrefixHashLess(const T& a, const U& b) {
 // TODO(shess): The original code did not process |sub_full_hashes|
 // for matches in |add_full_hashes|, so this code doesn't, either.  I
 // think this is probably a bug.
-void SBProcessSubs(std::vector<SBAddPrefix>* add_prefixes,
+void SBProcessSubs(SBAddPrefixContainer* add_prefixes,
                    std::vector<SBSubPrefix>* sub_prefixes,
                    std::vector<SBAddFullHash>* add_full_hashes,
                    std::vector<SBSubFullHash>* sub_full_hashes,
@@ -147,7 +149,7 @@ void SBProcessSubs(std::vector<SBAddPrefix>* add_prefixes,
 
 // Records a histogram of the number of items in |prefix_misses| which
 // are not in |add_prefixes|.
-void SBCheckPrefixMisses(const std::vector<SBAddPrefix>& add_prefixes,
+void SBCheckPrefixMisses(const SBAddPrefixContainer& add_prefixes,
                          const std::set<SBPrefix>& prefix_misses);
 
 // TODO(shess): This uses int32 rather than int because it's writing
@@ -174,7 +176,7 @@ class SafeBrowsingStore {
   virtual bool Delete() = 0;
 
   // Get all Add prefixes out from the store.
-  virtual bool GetAddPrefixes(std::vector<SBAddPrefix>* add_prefixes) = 0;
+  virtual bool GetAddPrefixes(SBAddPrefixContainer* add_prefixes) = 0;
 
   // Get all add full-length hashes.
   virtual bool GetAddFullHashes(
@@ -230,7 +232,7 @@ class SafeBrowsingStore {
   virtual bool FinishUpdate(
       const std::vector<SBAddFullHash>& pending_adds,
       const std::set<SBPrefix>& prefix_misses,
-      std::vector<SBAddPrefix>* add_prefixes_result,
+      SBAddPrefixContainer* add_prefixes_result,
       std::vector<SBAddFullHash>* add_full_hashes_result) = 0;
 
   // Cancel the update in process and remove any temporary disk