Simplify FormKeyGenerator::willDeleteForm
https://bugs.webkit.org/show_bug.cgi?id=117751

Reviewed by Antti Koivisto.

Merge https://chromium.googlesource.com/chromium/blink/+/c6399efb9da863eb1d1fc98b17ef925998b985ac

* html/FormController.cpp:
(WebCore::FormKeyGenerator::willDeleteForm):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@151696 268f45cc-cd09-0410-ab3c-d52691b4dbfc
diff --git a/Source/WebCore/html/FormController.cpp b/Source/WebCore/html/FormController.cpp
index 74353d8..b913c3c 100644
--- a/Source/WebCore/html/FormController.cpp
+++ b/Source/WebCore/html/FormController.cpp
@@ -368,12 +368,7 @@
 void FormKeyGenerator::willDeleteForm(HTMLFormElement* form)
 {
     ASSERT(form);
-    if (m_formToKeyMap.isEmpty())
-        return;
-    FormToKeyMap::iterator it = m_formToKeyMap.find(form);
-    if (it == m_formToKeyMap.end())
-        return;
-    m_formToKeyMap.remove(it);
+    m_formToKeyMap.remove(form);
 }
 
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