Move/replace/rename URL-based extension getters from ExtensionService to/in ExtensionSet.

chrome/common/extensions/extension_set.cc

Index: chrome/common/extensions/extension_set.cc
diff --git a/chrome/common/extensions/extension_set.cc b/chrome/common/extensions/extension_set.cc
index c99220b407214057e8ff24164a8cd11dcf6c51f7..38d0c4a4ee264f5c164650ee68bf612a5d11f968 100644
--- a/chrome/common/extensions/extension_set.cc
+++ b/chrome/common/extensions/extension_set.cc
@@ -74,10 +74,26 @@ const Extension* ExtensionSet::GetByURL(const ExtensionURLInfo& info) const {
   if (info.url().SchemeIs(chrome::kExtensionScheme))
     return GetByID(info.url().host());
 
-  ExtensionMap::const_iterator i = extensions_.begin();
-  for (; i != extensions_.end(); ++i) {
-    if (i->second->web_extent().MatchesURL(info.url()))
-      return i->second.get();
+  return GetByWebExtent(info);
+}
+
+const Extension* ExtensionSet::GetByWebExtent(
+    const ExtensionURLInfo& info) const {
+  for (ExtensionMap::const_iterator iter = extensions_.begin();
+       iter != extensions_.end(); ++iter) {
+    if (iter->second->web_extent().MatchesURL(info.url()))
+      return iter->second.get();
+  }
+
+  return NULL;
+}
+
+const Extension* ExtensionSet::GetByOverlappingWebExtent(
+    const URLPatternSet& extent) const {
+  for (ExtensionMap::const_iterator iter = extensions_.begin();
+       iter != extensions_.end(); ++iter) {
+    if (iter->second->web_extent().OverlapsWith(extent))
+      return iter->second.get();
   }
 
   return NULL;