Move the Widget hierarchy to the Oilpan heap.

Source/core/css/MediaQueryEvaluatorTest.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 #include "core/css/MediaQueryEvaluator.h"
 
 #include "core/MediaTypeNames.h"
 #include "core/css/MediaList.h"
 #include "core/css/MediaValuesCached.h"
@@ skipping 59 matching lines @@
 
 TestCase printTestCases[] = {
     {"print and (min-resolution: 1dppx)", 1},
     {"print and (min-resolution: 118dpcm)", 1},
     {"print and (min-resolution: 119dpcm)", 0},
     {0, 0} // Do not remove the terminator line.
 };
 
 void testMQEvaluator(TestCase* testCases, const MediaQueryEvaluator& mediaQueryEvaluator)
 {
+    RefPtrWillBePersistent<MediaQuerySet> querySet = nullptr;
     for (unsigned i = 0; testCases[i].input; ++i) {
-        RefPtrWillBeRawPtr<MediaQuerySet> querySet = MediaQuerySet::create(testCases[i].input);
+        querySet = MediaQuerySet::create(testCases[i].input);
         ASSERT_EQ(testCases[i].output, mediaQueryEvaluator.eval(querySet.get()));
     }
 }
 
 TEST(MediaQueryEvaluatorTest, Cached)
 {
     MediaValuesCached::MediaValuesCachedData data;
     data.viewportWidth = 500;
     data.viewportHeight = 500;
     data.deviceWidth = 500;
@@ skipping 26 matching lines @@
 
     MediaQueryEvaluator mediaQueryEvaluator(&pageHolder->frame());
     testMQEvaluator(viewportTestCases, mediaQueryEvaluator);
     pageHolder->frameView().setMediaType(MediaTypeNames::print);
     testMQEvaluator(printTestCases, mediaQueryEvaluator);
 }
 
 TEST(MediaQueryEvaluatorTest, DynamicNoView)
 {
     OwnPtr<DummyPageHolder> pageHolder = DummyPageHolder::create(IntSize(500, 500));
-    RefPtr<FrameView> view = pageHolder->frame().view();
+    RefPtrWillBePersistent<FrameView> view = pageHolder->frame().view();
     pageHolder->frame().setView(nullptr);
     MediaQueryEvaluator mediaQueryEvaluator(&pageHolder->frame());
-    RefPtrWillBeRawPtr<MediaQuerySet> querySet = MediaQuerySet::create("foobar");
+    RefPtrWillBePersistent<MediaQuerySet> querySet = MediaQuerySet::create("foobar");
     bool output = false;
     ASSERT_EQ(output, mediaQueryEvaluator.eval(querySet.get()));
     pageHolder->frame().setView(view);
 }
 
 } // namespace