Android: Use virtualized context only for those with compatible config

ui/gl/gl_share_group.cc

Index: ui/gl/gl_share_group.cc
diff --git a/ui/gl/gl_share_group.cc b/ui/gl/gl_share_group.cc
index dd424a54fe947915e80b36636ae440891387357d..d5ab43db03bf6b1dc904d10be5171f4ff0dab0b4 100644
--- a/ui/gl/gl_share_group.cc
+++ b/ui/gl/gl_share_group.cc
@@ -37,11 +37,9 @@ void* GLShareGroup::GetHandle() {
 }
 
 GLContext* GLShareGroup::GetContext() {
-  for (ContextSet::iterator it = contexts_.begin();
-       it != contexts_.end();
-       ++it) {
-    if ((*it)->GetHandle())
-      return *it;
+  for (auto context : contexts_) {
+    if (context->GetHandle())
+      return context;
   }
 
   return NULL;