Preparation for enabling slimming paint synchronized painting

third_party/WebKit/Source/web/LinkHighlightImplTest.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:
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
@@ skipping 41 matching lines @@
 namespace blink {
 
 GestureEventWithHitTestResults getTargetedEvent(WebViewImpl* webViewImpl, WebGestureEvent& touchEvent)
 {
     PlatformGestureEventBuilder platformEvent(webViewImpl->mainFrameImpl()->frameView(), touchEvent);
     return webViewImpl->page()->deprecatedLocalMainFrame()->eventHandler().targetGestureEvent(platformEvent, true);
 }
 
 TEST(LinkHighlightImplTest, verifyWebViewImplIntegration)
 {
+    FrameTestHelpers::UseMockScrollbarSettings mockScrollbarSettings;

[Xianzhu, 2015/10/28 18:10:23]

This is added because we can't paint scrollbars using the native theme which
requires chromium-side resource which is missing during test. We didn't
encounter the issue before because we didn't paint in the tests.

+
     const std::string baseURL("http://www.test.com/");
     const std::string fileName("test_touch_link_highlight.html");
 
     URLTestHelpers::registerMockedURLFromBaseURL(WebString::fromUTF8(baseURL.c_str()), WebString::fromUTF8("test_touch_link_highlight.html"));
     FrameTestHelpers::WebViewHelper webViewHelper;
     WebViewImpl* webViewImpl = webViewHelper.initializeAndLoad(baseURL + fileName, true);
     int pageWidth = 640;
     int pageHeight = 480;
     webViewImpl->resize(WebSize(pageWidth, pageHeight));
     webViewImpl->layout();
@@ skipping 50 matching lines @@
 WebViewClient* compositingWebViewClient()
 {
     DEFINE_STATIC_LOCAL(FakeCompositingWebViewClient, client, ());
     return &client;
 }
 
 } // anonymous namespace
 
 TEST(LinkHighlightImplTest, resetDuringNodeRemoval)
 {
+    FrameTestHelpers::UseMockScrollbarSettings m_mockScrollbarSettings;
+
     const std::string baseURL("http://www.test.com/");
     const std::string fileName("test_touch_link_highlight.html");
 
     URLTestHelpers::registerMockedURLFromBaseURL(WebString::fromUTF8(baseURL.c_str()), WebString::fromUTF8("test_touch_link_highlight.html"));
     FrameTestHelpers::WebViewHelper webViewHelper;
     WebViewImpl* webViewImpl = webViewHelper.initializeAndLoad(baseURL + fileName, true, 0, compositingWebViewClient());
 
     int pageWidth = 640;
     int pageHeight = 480;
     webViewImpl->resize(WebSize(pageWidth, pageHeight));
@@ skipping 18 matching lines @@
 
     touchNode->remove(IGNORE_EXCEPTION);
     webViewImpl->layout();
     ASSERT_EQ(0U, highlightLayer->numLinkHighlights());
 
     Platform::current()->unitTestSupport()->unregisterAllMockedURLs();
 }
 
 TEST(LinkHighlightImplTest, multipleHighlights)
 {
+    FrameTestHelpers::UseMockScrollbarSettings m_mockScrollbarSettings;
+
     const std::string baseURL("http://www.test.com/");
     const std::string fileName("test_touch_link_highlight.html");
 
     URLTestHelpers::registerMockedURLFromBaseURL(WebString::fromUTF8(baseURL.c_str()), WebString::fromUTF8("test_touch_link_highlight.html"));
     FrameTestHelpers::WebViewHelper webViewHelper;
     WebViewImpl* webViewImpl = webViewHelper.initializeAndLoad(baseURL + fileName, true, 0, compositingWebViewClient());
 
     int pageWidth = 640;
     int pageHeight = 480;
     webViewImpl->resize(WebSize(pageWidth, pageHeight));
@@ skipping 10 matching lines @@
     IntRect boundingBox(touchEvent.x - touchEvent.data.tap.width / 2, touchEvent.y - touchEvent.data.tap.height / 2, touchEvent.data.tap.width, touchEvent.data.tap.height);
     findGoodTouchTargets(boundingBox, webViewImpl->mainFrameImpl()->frame(), goodTargets, highlightNodes);
 
     webViewImpl->enableTapHighlights(highlightNodes);
     EXPECT_EQ(2U, webViewImpl->numLinkHighlights());
 
     Platform::current()->unitTestSupport()->unregisterAllMockedURLs();
 }
 
 } // namespace blink