Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/web/tests/ChromeClientImplTest.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 99 matching lines @@
         m_chromeClientImpl->show(NavigationPolicyIgnore);
         return m_result == WebNavigationPolicyNewPopup;
     }
 
 protected:
     WebNavigationPolicy m_result;
     TestWebViewClient m_webViewClient;
     WebViewImpl* m_webView;
     WebFrame* m_mainFrame;
     TestWebFrameClient m_webFrameClient;
-    RawPtrWillBePersistent<ChromeClientImpl> m_chromeClientImpl;
+    Persistent<ChromeClientImpl> m_chromeClientImpl;
 };
 
 TEST_F(GetNavigationPolicyTest, LeftClick)
 {
     int modifiers = 0;
     WebMouseEvent::Button button = WebMouseEvent::ButtonLeft;
     bool asPopup = false;
     EXPECT_EQ(WebNavigationPolicyNewForegroundTab,
         getNavigationPolicyWithMouseEvent(modifiers, button, asPopup));
 }
@@ skipping 123 matching lines @@
 
 TEST_F(GetNavigationPolicyTest, NotResizableForcesPopup)
 {
     m_chromeClientImpl->setResizable(false);
     EXPECT_TRUE(isNavigationPolicyPopup());
     m_chromeClientImpl->setResizable(true);
     EXPECT_FALSE(isNavigationPolicyPopup());
 }
 
 } // namespace blink