Made top controls work with virtual viewport pinch-to-zoom. (Blink)

Source/web/tests/WebFrameTest.cpp

 /*
  * Copyright (C) 2010 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 @@
 #include "wtf/dtoa/utils.h"
 #include <gmock/gmock.h>
 #include <gtest/gtest.h>
 #include <map>
 #include <v8.h>
 
 namespace {
 
 using blink::URLTestHelpers::toKURL;
 using blink::FrameTestHelpers::runPendingTasks;
+using blink::FrameTestHelpers::UseMockScrollbarSettings;
 using namespace blink;
 
 const int touchPointPadding = 32;
 
 #define EXPECT_RECT_EQ(a, b) \
     do {                                   \
         EXPECT_EQ(a.x(), b.x());           \
         EXPECT_EQ(a.y(), b.y());           \
         EXPECT_EQ(a.width(), b.width());   \
         EXPECT_EQ(a.height(), b.height()); \
@@ skipping 101 matching lines @@
         ASSERT(frame);
         Element* element = frame->document()->getElementById(testcase.c_str());
         return frame->nodeImage(*element);
     }
 
     std::string m_baseURL;
     std::string m_notBaseURL;
     std::string m_chromeURL;
 };
 
-class UseMockScrollbarSettings {
-public:
-    UseMockScrollbarSettings()
-    {
-        Settings::setMockScrollbarsEnabled(true);
-        RuntimeEnabledFeatures::setOverlayScrollbarsEnabled(true);
-        EXPECT_TRUE(ScrollbarTheme::theme()->usesOverlayScrollbars());
-    }
-
-    ~UseMockScrollbarSettings()
-    {
-        Settings::setMockScrollbarsEnabled(false);
-        RuntimeEnabledFeatures::setOverlayScrollbarsEnabled(false);
-    }
-};
-
 TEST_F(WebFrameTest, ContentText)
 {
     registerMockedHttpURLLoad("iframes_test.html");
     registerMockedHttpURLLoad("visible_iframe.html");
     registerMockedHttpURLLoad("invisible_iframe.html");
     registerMockedHttpURLLoad("zero_sized_iframe.html");
 
     FrameTestHelpers::WebViewHelper webViewHelper;
     webViewHelper.initializeAndLoad(m_baseURL + "iframes_test.html");
 
@@ skipping 6455 matching lines @@
     EXPECT_EQ(1u, frameClient.navigationalDataReceivedCount());
 
     // Neither should a page reload.
     localFrame->reload();
     EXPECT_EQ(4u, frameClient.provisionalLoadCount());
     EXPECT_FALSE(frameClient.wasLastProvisionalLoadATransition());
     EXPECT_EQ(1u, frameClient.navigationalDataReceivedCount());
 }
 
 } // namespace