Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/web/DateTimeChooserImpl.cpp

Index: third_party/WebKit/Source/web/DateTimeChooserImpl.cpp
diff --git a/third_party/WebKit/Source/web/DateTimeChooserImpl.cpp b/third_party/WebKit/Source/web/DateTimeChooserImpl.cpp
index 49aa97e5f8011ef04eea7e6ea03f3e7b431ef86b..c63522a2e442807e61474530fbbd3c07a08c9c0e 100644
--- a/third_party/WebKit/Source/web/DateTimeChooserImpl.cpp
+++ b/third_party/WebKit/Source/web/DateTimeChooserImpl.cpp
@@ -57,9 +57,9 @@ DateTimeChooserImpl::DateTimeChooserImpl(ChromeClientImpl* chromeClient, DateTim
     m_popup = m_chromeClient->openPagePopup(this);
 }
 
-PassRefPtrWillBeRawPtr<DateTimeChooserImpl> DateTimeChooserImpl::create(ChromeClientImpl* chromeClient, DateTimeChooserClient* client, const DateTimeChooserParameters& parameters)
+RawPtr<DateTimeChooserImpl> DateTimeChooserImpl::create(ChromeClientImpl* chromeClient, DateTimeChooserClient* client, const DateTimeChooserParameters& parameters)
 {
-    return adoptRefWillBeNoop(new DateTimeChooserImpl(chromeClient, client, parameters));
+    return new DateTimeChooserImpl(chromeClient, client, parameters);
 }
 
 DateTimeChooserImpl::~DateTimeChooserImpl()
@@ -187,7 +187,7 @@ Locale& DateTimeChooserImpl::locale()
 
 void DateTimeChooserImpl::setValueAndClosePopup(int numValue, const String& stringValue)
 {
-    RefPtrWillBeRawPtr<DateTimeChooserImpl> protector(this);
+    RawPtr<DateTimeChooserImpl> protector(this);
     if (numValue >= 0)
         setValue(stringValue);
     endChooser();