Lands http://codereview.chromium.org/8801034/ in hopes of getting a

chrome/browser/profiles/profile_info_cache.cc

Index: chrome/browser/profiles/profile_info_cache.cc
diff --git a/chrome/browser/profiles/profile_info_cache.cc b/chrome/browser/profiles/profile_info_cache.cc
index 073728ac854f30e9275d92925dd05b51ee1c5c09..1816a44642fbf56010160614aa410c8da1cd81ef 100644
--- a/chrome/browser/profiles/profile_info_cache.cc
+++ b/chrome/browser/profiles/profile_info_cache.cc
@@ -651,22 +651,17 @@ size_t ProfileInfoCache::GetDefaultAvatarIconCount() {
 
 // static
 int ProfileInfoCache::GetDefaultAvatarIconResourceIDAtIndex(size_t index) {
-  DCHECK(IsDefaultAvatarIconIndex(index));
+  DCHECK_LT(index, GetDefaultAvatarIconCount());
   return kDefaultAvatarIconResources[index];
 }
 
 // static
 std::string ProfileInfoCache::GetDefaultAvatarIconUrl(size_t index) {
-  DCHECK(IsDefaultAvatarIconIndex(index));
+  DCHECK_LT(index, kDefaultAvatarIconsCount);
   return StringPrintf("%s%" PRIuS, kDefaultUrlPrefix, index);
 }
 
 // static
-bool ProfileInfoCache::IsDefaultAvatarIconIndex(size_t index) {
-  return index < kDefaultAvatarIconsCount;
-}
-
-// static
 bool ProfileInfoCache::IsDefaultAvatarIconUrl(const std::string& url,
                                               size_t* icon_index) {
   DCHECK(icon_index);