Fix extensions compile issues for Android on sync_unit_tests.

chrome/browser/extensions/extension_warning_set.cc

Index: chrome/browser/extensions/extension_warning_set.cc
diff --git a/chrome/browser/extensions/extension_warning_set.cc b/chrome/browser/extensions/extension_warning_set.cc
index 84ca4a0e26fa75efdb7a24f0cb582f2b90d850da..77437437aa4b92cf276888cd1d7506f5a97c8846 100644
--- a/chrome/browser/extensions/extension_warning_set.cc
+++ b/chrome/browser/extensions/extension_warning_set.cc
@@ -111,7 +111,7 @@ void ExtensionWarningSet::SetWarning(ExtensionWarningSet::WarningType type,
 void ExtensionWarningSet::ClearWarnings(
     const std::set<ExtensionWarningSet::WarningType>& types) {
   bool deleted_anything = false;
-  for (const_iterator i = warnings_.begin(); i != warnings_.end();) {
+  for (iterator i = warnings_.begin(); i != warnings_.end();) {
     if (types.find(i->warning_type()) != types.end()) {

[John Grabowski, 2012/02/22 18:34:49]

Alternate idea: make warning_type() a const method.

[David Trainor- moved to gerrit, 2012/02/22 19:10:19]

It's more that our port of stl doesn't support set::erase(const_iterator), only
set::erase(iterator).

       deleted_anything = true;
       warnings_.erase(i++);