Convert SafeBrowsingStoreFile to do bulk reads and writes.

Read/write the data in the style of fread/fwrite, rather than doing
I/O element by element.  This lays the groundwork for adding
checksumming.

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/650113

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@39619 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 5 insertions, 0 deletions

diff --git a/chrome/browser/safe_browsing/safe_browsing_store.h b/chrome/browser/safe_browsing/safe_browsing_store.h
index 34aa4b2..c1026ef 100644
--- a/chrome/browser/safe_browsing/safe_browsing_store.h
+++ b/chrome/browser/safe_browsing/safe_browsing_store.h
@@ -43,6 +43,7 @@ struct SBAddPrefix {
   SBPrefix prefix;
 
   SBAddPrefix(int32 id, SBPrefix p) : chunk_id(id), prefix(p) {}
+  SBAddPrefix() {}
 
   int32 GetAddChunkId() const { return chunk_id; }
   SBPrefix GetAddPrefix() const { return prefix; }
@@ -55,6 +56,7 @@ struct SBSubPrefix {
 
   SBSubPrefix(int32 id, int32 add_id, int prefix)
       : chunk_id(id), add_chunk_id(add_id), add_prefix(prefix) {}
+  SBSubPrefix() {}
 
   int32 GetAddChunkId() const { return add_chunk_id; }
   SBPrefix GetAddPrefix() const { return add_prefix; }
@@ -76,6 +78,8 @@ struct SBAddFullHash {
   SBAddFullHash(int32 id, int32 r, SBFullHash h)
       : chunk_id(id), received(r), full_hash(h) {}
 
+  SBAddFullHash() {}
+
   int32 GetAddChunkId() const { return chunk_id; }
   SBPrefix GetAddPrefix() const { return full_hash.prefix; }
 };
@@ -87,6 +91,7 @@ struct SBSubFullHash {
 
   SBSubFullHash(int32 id, int32 add_id, SBFullHash h)
       : chunk_id(id), add_chunk_id(add_id), full_hash(h) {}
+  SBSubFullHash() {}
 
   int32 GetAddChunkId() const { return add_chunk_id; }
   SBPrefix GetAddPrefix() const { return full_hash.prefix; }