Remove stl_util's deletion function use from content/.

content/browser/renderer_host/input/input_router_impl.cc

Index: content/browser/renderer_host/input/input_router_impl.cc
diff --git a/content/browser/renderer_host/input/input_router_impl.cc b/content/browser/renderer_host/input/input_router_impl.cc
index 83f66be026b71146e317df8347e9616fdafa4200..40fc18b75cde33de01445f7eb5bf5b9efa8c0893 100644
--- a/content/browser/renderer_host/input/input_router_impl.cc
+++ b/content/browser/renderer_host/input/input_router_impl.cc
@@ -98,7 +98,6 @@ InputRouterImpl::InputRouterImpl(IPC::Sender* sender,
 }
 
 InputRouterImpl::~InputRouterImpl() {
-  STLDeleteElements(&pending_select_messages_);
 }
 
 bool InputRouterImpl::SendInput(std::unique_ptr<IPC::Message> message) {
@@ -319,11 +318,10 @@ bool InputRouterImpl::SendSelectMessage(std::unique_ptr<IPC::Message> message) {
   if (select_message_pending_) {
     if (!pending_select_messages_.empty() &&
         pending_select_messages_.back()->type() == message->type()) {
-      delete pending_select_messages_.back();
       pending_select_messages_.pop_back();
     }
 
-    pending_select_messages_.push_back(message.release());
+    pending_select_messages_.push_back(std::move(message));
     return true;
   }
 
@@ -466,7 +464,7 @@ void InputRouterImpl::OnSelectMessageAck() {
   select_message_pending_ = false;
   if (!pending_select_messages_.empty()) {
     std::unique_ptr<IPC::Message> next_message =
-        base::WrapUnique(pending_select_messages_.front());
+        std::move(pending_select_messages_.front());
     pending_select_messages_.pop_front();
 
     SendSelectMessage(std::move(next_message));