Rename classes related to top controls

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

Index: third_party/WebKit/Source/web/tests/TopControlsTest.cpp
diff --git a/third_party/WebKit/Source/web/tests/TopControlsTest.cpp b/third_party/WebKit/Source/web/tests/TopControlsTest.cpp
deleted file mode 100644
index 4bb074148a8eac9b59d193bc893375e7c7f85331..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/web/tests/TopControlsTest.cpp
+++ /dev/null
@@ -1,855 +0,0 @@
-/*
- * Copyright (C) 2015 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
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-#include "core/frame/TopControls.h"
-
-#include "core/dom/ClientRect.h"
-#include "core/frame/FrameHost.h"
-#include "core/frame/FrameView.h"
-#include "core/frame/LocalFrame.h"
-#include "core/frame/VisualViewport.h"
-#include "core/page/Page.h"
-#include "platform/testing/URLTestHelpers.h"
-#include "public/platform/Platform.h"
-#include "public/platform/WebURLLoaderMockFactory.h"
-#include "public/web/WebCache.h"
-#include "public/web/WebElement.h"
-#include "public/web/WebSettings.h"
-#include "testing/gmock/include/gmock/gmock.h"
-#include "testing/gtest/include/gtest/gtest.h"
-#include "web/WebLocalFrameImpl.h"
-#include "web/tests/FrameTestHelpers.h"
-
-namespace blink {
-
-// These tests cover top controls scrolling on main-thread.
-// The animation for completing a partial show/hide is done in compositor so
-// it is not covered here.
-class TopControlsTest : public testing::Test {
- public:
-  TopControlsTest() : m_baseURL("http://www.test.com/") {
-    registerMockedHttpURLLoad("large-div.html");
-    registerMockedHttpURLLoad("overflow-scrolling.html");
-    registerMockedHttpURLLoad("iframe-scrolling.html");
-    registerMockedHttpURLLoad("iframe-scrolling-inner.html");
-    registerMockedHttpURLLoad("percent-height.html");
-    registerMockedHttpURLLoad("vh-height.html");
-    registerMockedHttpURLLoad("vh-height-width-800.html");
-    registerMockedHttpURLLoad("vh-height-width-800-extra-wide.html");
-  }
-
-  ~TopControlsTest() override {
-    Platform::current()->getURLLoaderMockFactory()->unregisterAllURLs();
-    WebCache::clear();
-  }
-
-  WebViewImpl* initialize(const std::string& pageName = "large-div.html") {
-    RuntimeEnabledFeatures::setInertTopControlsEnabled(true);
-
-    // Load a page with large body and set viewport size to 400x400 to ensure
-    // main frame is scrollable.
-    m_helper.initializeAndLoad(m_baseURL + pageName, true, nullptr, nullptr,
-                               nullptr, &configureSettings);
-
-    webViewImpl()->resize(IntSize(400, 400));
-    return webViewImpl();
-  }
-
-  static void configureSettings(WebSettings* settings) {
-    settings->setJavaScriptEnabled(true);
-    settings->setAcceleratedCompositingEnabled(true);
-    settings->setPreferCompositingToLCDTextEnabled(true);
-    // Android settings
-    settings->setViewportEnabled(true);
-    settings->setViewportMetaEnabled(true);
-    settings->setShrinksViewportContentToFit(true);
-    settings->setMainFrameResizesAreOrientationChanges(true);
-  }
-
-  void registerMockedHttpURLLoad(const std::string& fileName) {
-    URLTestHelpers::registerMockedURLFromBaseURL(
-        WebString::fromUTF8(m_baseURL.c_str()),
-        WebString::fromUTF8(fileName.c_str()));
-  }
-
-  WebGestureEvent generateEvent(WebInputEvent::Type type,
-                                int deltaX = 0,
-                                int deltaY = 0) {
-    WebGestureEvent event;
-    event.type = type;
-    event.sourceDevice = WebGestureDeviceTouchscreen;
-    event.x = 100;
-    event.y = 100;
-    if (type == WebInputEvent::GestureScrollUpdate) {
-      event.data.scrollUpdate.deltaX = deltaX;
-      event.data.scrollUpdate.deltaY = deltaY;
-    }
-    return event;
-  }
-
-  void verticalScroll(float deltaY) {
-    webViewImpl()->handleInputEvent(
-        generateEvent(WebInputEvent::GestureScrollBegin));
-    webViewImpl()->handleInputEvent(
-        generateEvent(WebInputEvent::GestureScrollUpdate, 0, deltaY));
-    webViewImpl()->handleInputEvent(
-        generateEvent(WebInputEvent::GestureScrollEnd));
-  }
-
-  Element* getElementById(const WebString& id) {
-    return static_cast<Element*>(
-        webViewImpl()->mainFrame()->document().getElementById(id));
-  }
-
-  WebViewImpl* webViewImpl() const { return m_helper.webView(); }
-  LocalFrame* frame() const {
-    return m_helper.webView()->mainFrameImpl()->frame();
-  }
-  VisualViewport& visualViewport() const {
-    return m_helper.webView()->page()->frameHost().visualViewport();
-  }
-
- private:
-  std::string m_baseURL;
-  FrameTestHelpers::WebViewHelper m_helper;
-};
-
-#define EXPECT_SIZE_EQ(expected, actual)                     \
-  do {                                                       \
-    EXPECT_FLOAT_EQ((expected).width(), (actual).width());   \
-    EXPECT_FLOAT_EQ((expected).height(), (actual).height()); \
-  } while (false)
-
-// Disable these tests on Mac OSX until further investigation.
-// Local build on Mac is OK but the bot fails. This is not an issue as
-// Top Controls are currently only used on Android.
-#if OS(MACOSX)
-#define MAYBE(test) DISABLED_##test
-#else
-#define MAYBE(test) test
-#endif
-
-// Scrolling down should hide top controls.
-TEST_F(TopControlsTest, MAYBE(HideOnScrollDown)) {
-  WebViewImpl* webView = initialize();
-  // initialize top controls to be shown.
-  webView->resizeWithTopControls(webView->size(), 50.f, true);
-  webView->topControls().setShownRatio(1);
-
-  webView->handleInputEvent(generateEvent(WebInputEvent::GestureScrollBegin));
-  EXPECT_FLOAT_EQ(50.f, webView->topControls().contentOffset());
-
-  // Top controls should be scrolled partially and page should not scroll.
-  webView->handleInputEvent(
-      generateEvent(WebInputEvent::GestureScrollUpdate, 0, -25.f));
-  EXPECT_FLOAT_EQ(25.f, webView->topControls().contentOffset());
-  EXPECT_SIZE_EQ(ScrollOffset(0, 0), frame()->view()->scrollOffset());
-
-  // Top controls should consume 25px and become hidden. Excess scroll should be
-  // consumed by the page.
-  webView->handleInputEvent(
-      generateEvent(WebInputEvent::GestureScrollUpdate, 0, -40.f));
-  EXPECT_FLOAT_EQ(0.f, webView->topControls().contentOffset());
-  EXPECT_SIZE_EQ(ScrollOffset(0, 15), frame()->view()->scrollOffset());
-
-  // Only page should consume scroll
-  webView->handleInputEvent(
-      generateEvent(WebInputEvent::GestureScrollUpdate, 0, -20.f));
-  EXPECT_FLOAT_EQ(0.f, webView->topControls().contentOffset());
-  EXPECT_SIZE_EQ(ScrollOffset(0, 35), frame()->view()->scrollOffset());
-}
-
-// Scrolling up should show top controls.
-TEST_F(TopControlsTest, MAYBE(ShowOnScrollUp)) {
-  WebViewImpl* webView = initialize();
-  // initialize top controls to be hidden.
-  webView->resizeWithTopControls(webView->size(), 50.f, false);
-  webView->topControls().setShownRatio(0);
-
-  webView->handleInputEvent(generateEvent(WebInputEvent::GestureScrollBegin));
-  EXPECT_FLOAT_EQ(0.f, webView->topControls().contentOffset());
-
-  webView->handleInputEvent(
-      generateEvent(WebInputEvent::GestureScrollUpdate, 0, 10.f));
-  EXPECT_FLOAT_EQ(10.f, webView->topControls().contentOffset());
-  EXPECT_SIZE_EQ(ScrollOffset(0, 0), frame()->view()->scrollOffset());
-
-  webView->handleInputEvent(
-      generateEvent(WebInputEvent::GestureScrollUpdate, 0, 50.f));
-  EXPECT_FLOAT_EQ(50.f, webView->topControls().contentOffset());
-  EXPECT_SIZE_EQ(ScrollOffset(0, 0), frame()->view()->scrollOffset());
-}
-
-// Scrolling up after previous scroll downs should cause top controls to be
-// shown only after all previously scrolled down amount is compensated.
-TEST_F(TopControlsTest, MAYBE(ScrollDownThenUp)) {
-  WebViewImpl* webView = initialize();
-  // initialize top controls to be shown and position page at 100px.
-  webView->resizeWithTopControls(webView->size(), 50.f, true);
-  webView->topControls().setShownRatio(1);
-  frame()->view()->getScrollableArea()->setScrollOffset(ScrollOffset(0, 100),
-                                                        ProgrammaticScroll);
-
-  webView->handleInputEvent(generateEvent(WebInputEvent::GestureScrollBegin));
-  EXPECT_FLOAT_EQ(50.f, webView->topControls().contentOffset());
-
-  // Scroll down to completely hide top controls. Excess deltaY (100px) should
-  // be consumed by the page.
-  webView->handleInputEvent(
-      generateEvent(WebInputEvent::GestureScrollUpdate, 0, -150.f));
-  EXPECT_FLOAT_EQ(0.f, webView->topControls().contentOffset());
-  EXPECT_SIZE_EQ(ScrollOffset(0, 200), frame()->view()->scrollOffset());
-
-  // Scroll up and ensure the top controls does not move until we recover 100px
-  // previously scrolled.
-  webView->handleInputEvent(
-      generateEvent(WebInputEvent::GestureScrollUpdate, 0, 40.f));
-  EXPECT_FLOAT_EQ(0.f, webView->topControls().contentOffset());
-  EXPECT_SIZE_EQ(ScrollOffset(0, 160), frame()->view()->scrollOffset());
-
-  webView->handleInputEvent(
-      generateEvent(WebInputEvent::GestureScrollUpdate, 0, 60.f));
-  EXPECT_FLOAT_EQ(0.f, webView->topControls().contentOffset());
-  EXPECT_SIZE_EQ(ScrollOffset(0, 100), frame()->view()->scrollOffset());
-
-  // Now we have hit the threshold so further scroll up should be consumed by
-  // top controls.
-  webView->handleInputEvent(
-      generateEvent(WebInputEvent::GestureScrollUpdate, 0, 30.f));
-  EXPECT_FLOAT_EQ(30.f, webView->topControls().contentOffset());
-  EXPECT_SIZE_EQ(ScrollOffset(0, 100), frame()->view()->scrollOffset());
-
-  // Once top control is fully shown then page should consume any excess scroll.
-  webView->handleInputEvent(
-      generateEvent(WebInputEvent::GestureScrollUpdate, 0, 70.f));
-  EXPECT_FLOAT_EQ(50.f, webView->topControls().contentOffset());
-  EXPECT_SIZE_EQ(ScrollOffset(0, 50), frame()->view()->scrollOffset());
-}
-
-// Scrolling down should always cause visible top controls to start hiding even
-// if we have been scrolling up previously.
-TEST_F(TopControlsTest, MAYBE(ScrollUpThenDown)) {
-  WebViewImpl* webView = initialize();
-  // initialize top controls to be hidden and position page at 100px.
-  webView->resizeWithTopControls(webView->size(), 50.f, false);
-  webView->topControls().setShownRatio(0);
-  frame()->view()->getScrollableArea()->setScrollOffset(ScrollOffset(0, 100),
-                                                        ProgrammaticScroll);
-
-  webView->handleInputEvent(generateEvent(WebInputEvent::GestureScrollBegin));
-  EXPECT_FLOAT_EQ(0.f, webView->topControls().contentOffset());
-
-  // Scroll up to completely show top controls. Excess deltaY (50px) should be
-  // consumed by the page.
-  webView->handleInputEvent(
-      generateEvent(WebInputEvent::GestureScrollUpdate, 0, 100.f));
-  EXPECT_FLOAT_EQ(50.f, webView->topControls().contentOffset());
-  EXPECT_SIZE_EQ(ScrollOffset(0, 50), frame()->view()->scrollOffset());
-
-  // Scroll down and ensure only top controls is scrolled
-  webView->handleInputEvent(
-      generateEvent(WebInputEvent::GestureScrollUpdate, 0, -40.f));
-  EXPECT_FLOAT_EQ(10.f, webView->topControls().contentOffset());
-  EXPECT_SIZE_EQ(ScrollOffset(0, 50), frame()->view()->scrollOffset());
-
-  webView->handleInputEvent(
-      generateEvent(WebInputEvent::GestureScrollUpdate, 0, -60.f));
-  EXPECT_FLOAT_EQ(0.f, webView->topControls().contentOffset());
-  EXPECT_SIZE_EQ(ScrollOffset(0, 100), frame()->view()->scrollOffset());
-}
-
-// Top controls should not consume horizontal scroll.
-TEST_F(TopControlsTest, MAYBE(HorizontalScroll)) {
-  WebViewImpl* webView = initialize();
-  // initialize top controls to be shown.
-  webView->resizeWithTopControls(webView->size(), 50.f, true);
-  webView->topControls().setShownRatio(1);
-
-  webView->handleInputEvent(generateEvent(WebInputEvent::GestureScrollBegin));
-  EXPECT_FLOAT_EQ(50.f, webView->topControls().contentOffset());
-
-  // Top controls should not consume horizontal scroll.
-  webView->handleInputEvent(
-      generateEvent(WebInputEvent::GestureScrollUpdate, -110.f, -100.f));
-  EXPECT_FLOAT_EQ(0.f, webView->topControls().contentOffset());
-  EXPECT_SIZE_EQ(ScrollOffset(110, 50), frame()->view()->scrollOffset());
-
-  webView->handleInputEvent(
-      generateEvent(WebInputEvent::GestureScrollUpdate, -40.f, 0));
-  EXPECT_FLOAT_EQ(0.f, webView->topControls().contentOffset());
-  EXPECT_SIZE_EQ(ScrollOffset(150, 50), frame()->view()->scrollOffset());
-}
-
-// Page scale should not impact top controls scrolling
-TEST_F(TopControlsTest, MAYBE(PageScaleHasNoImpact)) {
-  WebViewImpl* webView = initialize();
-  webViewImpl()->setDefaultPageScaleLimits(0.25f, 5);
-  webView->setPageScaleFactor(2.0);
-
-  // Initialize top controls to be shown.
-  webView->resizeWithTopControls(webView->size(), 50.f, true);
-  webView->topControls().setShownRatio(1);
-
-  webView->handleInputEvent(generateEvent(WebInputEvent::GestureScrollBegin));
-  EXPECT_FLOAT_EQ(50.f, webView->topControls().contentOffset());
-
-  // Top controls should be scrolled partially and page should not scroll.
-  webView->handleInputEvent(
-      generateEvent(WebInputEvent::GestureScrollUpdate, 0, -20.f));
-  EXPECT_FLOAT_EQ(30.f, webView->topControls().contentOffset());
-  EXPECT_SIZE_EQ(ScrollOffset(0, 0),
-                 frame()->view()->getScrollableArea()->scrollOffset());
-
-  // Top controls should consume 30px and become hidden. Excess scroll should be
-  // consumed by the page at 2x scale.
-  webView->handleInputEvent(
-      generateEvent(WebInputEvent::GestureScrollUpdate, 0, -70.f));
-  EXPECT_FLOAT_EQ(0.f, webView->topControls().contentOffset());
-  EXPECT_SIZE_EQ(ScrollOffset(0, 20),
-                 frame()->view()->getScrollableArea()->scrollOffset());
-
-  webView->handleInputEvent(generateEvent(WebInputEvent::GestureScrollEnd));
-
-  // Change page scale and test.
-  webView->setPageScaleFactor(0.5);
-
-  webView->handleInputEvent(generateEvent(WebInputEvent::GestureScrollBegin));
-  EXPECT_FLOAT_EQ(0.f, webView->topControls().contentOffset());
-  EXPECT_SIZE_EQ(ScrollOffset(0, 20),
-                 frame()->view()->getScrollableArea()->scrollOffset());
-
-  webView->handleInputEvent(
-      generateEvent(WebInputEvent::GestureScrollUpdate, 0, 50.f));
-  EXPECT_FLOAT_EQ(50.f, webView->topControls().contentOffset());
-  EXPECT_SIZE_EQ(ScrollOffset(0, 20),
-                 frame()->view()->getScrollableArea()->scrollOffset());
-
-  // At 0.5x scale scrolling 10px should take us to the top of the page.
-  webView->handleInputEvent(
-      generateEvent(WebInputEvent::GestureScrollUpdate, 0, 10.f));
-  EXPECT_FLOAT_EQ(50.f, webView->topControls().contentOffset());
-  EXPECT_SIZE_EQ(ScrollOffset(0, 0),
-                 frame()->view()->getScrollableArea()->scrollOffset());
-}
-
-// Some scroll deltas result in a shownRatio that can't be realized in a
-// floating-point number. Make sure that if the top controls aren't fully
-// scrolled, scrollBy doesn't return any excess delta. i.e. There should be no
-// slippage between the content and top controls.
-TEST_F(TopControlsTest, MAYBE(FloatingPointSlippage)) {
-  WebViewImpl* webView = initialize();
-  webViewImpl()->setDefaultPageScaleLimits(0.25f, 5);
-  webView->setPageScaleFactor(2.0);
-
-  // Initialize top controls to be shown.
-  webView->resizeWithTopControls(webView->size(), 50.f, true);
-  webView->topControls().setShownRatio(1);
-
-  webView->topControls().scrollBegin();
-  EXPECT_FLOAT_EQ(50.f, webView->topControls().contentOffset());
-
-  // This will result in a 20px scroll to the top controls so the show ratio
-  // will be 30/50 == 0.6 which is not representible in a float. Make sure
-  // that scroll still consumes the whole delta.
-  FloatSize remainingDelta = webView->topControls().scrollBy(FloatSize(0, 10));
-  EXPECT_EQ(0, remainingDelta.height());
-}
-
-// Scrollable subregions should scroll before top controls
-TEST_F(TopControlsTest, MAYBE(ScrollableSubregionScrollFirst)) {
-  WebViewImpl* webView = initialize("overflow-scrolling.html");
-  webView->resizeWithTopControls(webView->size(), 50.f, true);
-  webView->topControls().setShownRatio(1);
-  frame()->view()->getScrollableArea()->setScrollOffset(ScrollOffset(0, 50),
-                                                        ProgrammaticScroll);
-
-  // Test scroll down
-  // Scroll down should scroll the overflow div first but top controls and main
-  // frame should not scroll.
-  verticalScroll(-800.f);
-  EXPECT_FLOAT_EQ(50.f, webView->topControls().contentOffset());
-  EXPECT_SIZE_EQ(ScrollOffset(0, 50), frame()->view()->scrollOffset());
-
-  // Continued scroll down should start hiding top controls but main frame
-  // should not scroll.
-  verticalScroll(-40.f);
-  EXPECT_FLOAT_EQ(10.f, webView->topControls().contentOffset());
-  EXPECT_SIZE_EQ(ScrollOffset(0, 50), frame()->view()->scrollOffset());
-
-  // Continued scroll down should scroll down the main frame
-  verticalScroll(-40.f);
-  EXPECT_FLOAT_EQ(0.f, webView->topControls().contentOffset());
-  EXPECT_SIZE_EQ(ScrollOffset(0, 80), frame()->view()->scrollOffset());
-
-  // Test scroll up
-  // scroll up should scroll overflow div first
-  verticalScroll(800.f);
-  EXPECT_FLOAT_EQ(0.f, webView->topControls().contentOffset());
-  EXPECT_SIZE_EQ(ScrollOffset(0, 80), frame()->view()->scrollOffset());
-
-  // Continued scroll up should start showing top controls but main frame should
-  // not scroll.
-  verticalScroll(40.f);
-  EXPECT_FLOAT_EQ(40.f, webView->topControls().contentOffset());
-  EXPECT_SIZE_EQ(ScrollOffset(0, 80), frame()->view()->scrollOffset());
-
-  // Continued scroll down up scroll up the main frame
-  verticalScroll(40.f);
-  EXPECT_FLOAT_EQ(50.f, webView->topControls().contentOffset());
-  EXPECT_SIZE_EQ(ScrollOffset(0, 50), frame()->view()->scrollOffset());
-}
-
-// Scrollable iframes should scroll before top controls
-TEST_F(TopControlsTest, MAYBE(ScrollableIframeScrollFirst)) {
-  WebViewImpl* webView = initialize("iframe-scrolling.html");
-  webView->resizeWithTopControls(webView->size(), 50.f, true);
-  webView->topControls().setShownRatio(1);
-  frame()->view()->getScrollableArea()->setScrollOffset(ScrollOffset(0, 50),
-                                                        ProgrammaticScroll);
-
-  // Test scroll down
-  // Scroll down should scroll the iframe first but top controls and main frame
-  // should not scroll.
-  verticalScroll(-800.f);
-  EXPECT_FLOAT_EQ(50.f, webView->topControls().contentOffset());
-  EXPECT_SIZE_EQ(ScrollOffset(0, 50), frame()->view()->scrollOffset());
-
-  // Continued scroll down should start hiding top controls but main frame
-  // should not scroll.
-  verticalScroll(-40.f);
-  EXPECT_FLOAT_EQ(10.f, webView->topControls().contentOffset());
-  EXPECT_SIZE_EQ(ScrollOffset(0, 50), frame()->view()->scrollOffset());
-
-  // Continued scroll down should scroll down the main frame
-  verticalScroll(-40.f);
-  EXPECT_FLOAT_EQ(0.f, webView->topControls().contentOffset());
-  EXPECT_SIZE_EQ(ScrollOffset(0, 80), frame()->view()->scrollOffset());
-
-  // Test scroll up
-  // scroll up should scroll iframe first
-  verticalScroll(800.f);
-  EXPECT_FLOAT_EQ(0.f, webView->topControls().contentOffset());
-  EXPECT_SIZE_EQ(ScrollOffset(0, 80), frame()->view()->scrollOffset());
-
-  // Continued scroll up should start showing top controls but main frame should
-  // not scroll.
-  verticalScroll(40.f);
-  EXPECT_FLOAT_EQ(40.f, webView->topControls().contentOffset());
-  EXPECT_SIZE_EQ(ScrollOffset(0, 80), frame()->view()->scrollOffset());
-
-  // Continued scroll down up scroll up the main frame
-  verticalScroll(40.f);
-  EXPECT_FLOAT_EQ(50.f, webView->topControls().contentOffset());
-  EXPECT_SIZE_EQ(ScrollOffset(0, 50), frame()->view()->scrollOffset());
-}
-
-// Top controls visibility should remain consistent when height is changed.
-TEST_F(TopControlsTest, MAYBE(HeightChangeMaintainsVisibility)) {
-  WebViewImpl* webView = initialize();
-  webView->resizeWithTopControls(webView->size(), 20.f, false);
-  webView->topControls().setShownRatio(0);
-
-  webView->resizeWithTopControls(webView->size(), 20.f, false);
-  EXPECT_FLOAT_EQ(0.f, webView->topControls().contentOffset());
-
-  webView->resizeWithTopControls(webView->size(), 40.f, false);
-  EXPECT_FLOAT_EQ(0.f, webView->topControls().contentOffset());
-
-  // Scroll up to show top controls.
-  verticalScroll(40.f);
-  EXPECT_FLOAT_EQ(40.f, webView->topControls().contentOffset());
-
-  // Changing height of a fully shown top controls should correctly adjust
-  // content offset
-  webView->resizeWithTopControls(webView->size(), 30.f, false);
-  EXPECT_FLOAT_EQ(30.f, webView->topControls().contentOffset());
-}
-
-// Zero delta should not have any effect on top controls.
-TEST_F(TopControlsTest, MAYBE(ZeroHeightMeansNoEffect)) {
-  WebViewImpl* webView = initialize();
-  webView->resizeWithTopControls(webView->size(), 0, false);
-  webView->topControls().setShownRatio(0);
-  frame()->view()->getScrollableArea()->setScrollOffset(ScrollOffset(0, 100),
-                                                        ProgrammaticScroll);
-
-  EXPECT_FLOAT_EQ(0.f, webView->topControls().contentOffset());
-
-  verticalScroll(20.f);
-  EXPECT_FLOAT_EQ(0.f, webView->topControls().contentOffset());
-  EXPECT_SIZE_EQ(ScrollOffset(0, 80), frame()->view()->scrollOffset());
-
-  verticalScroll(-30.f);
-  EXPECT_FLOAT_EQ(0.f, webView->topControls().contentOffset());
-  EXPECT_SIZE_EQ(ScrollOffset(0, 110), frame()->view()->scrollOffset());
-
-  webView->topControls().setShownRatio(1);
-  EXPECT_FLOAT_EQ(0.f, webView->topControls().contentOffset());
-}
-
-// Top controls should not hide when scrolling up past limit
-TEST_F(TopControlsTest, MAYBE(ScrollUpPastLimitDoesNotHide)) {
-  WebViewImpl* webView = initialize();
-  // Initialize top controls to be shown
-  webView->resizeWithTopControls(webView->size(), 50.f, true);
-  webView->topControls().setShownRatio(1);
-  // Use 2x scale so that both visual viewport and frameview are scrollable
-  webView->setPageScaleFactor(2.0);
-
-  // Fully scroll frameview but visualviewport remains scrollable
-  webView->mainFrame()->setScrollOffset(WebSize(0, 10000));
-  visualViewport().setLocation(FloatPoint(0, 0));
-  verticalScroll(-10.f);
-  EXPECT_FLOAT_EQ(40, webView->topControls().contentOffset());
-
-  webView->topControls().setShownRatio(1);
-  // Fully scroll visual veiwport but frameview remains scrollable
-  webView->mainFrame()->setScrollOffset(WebSize(0, 0));
-  visualViewport().setLocation(FloatPoint(0, 10000));
-  verticalScroll(-20.f);
-  EXPECT_FLOAT_EQ(30, webView->topControls().contentOffset());
-
-  webView->topControls().setShownRatio(1);
-  // Fully scroll both frameview and visual viewport
-  webView->mainFrame()->setScrollOffset(WebSize(0, 10000));
-  visualViewport().setLocation(FloatPoint(0, 10000));
-  verticalScroll(-30.f);
-  // Top controls should not move because neither frameview nor visual viewport
-  // are scrollable
-  EXPECT_FLOAT_EQ(50.f, webView->topControls().contentOffset());
-}
-
-// Top controls should honor its constraints
-TEST_F(TopControlsTest, MAYBE(StateConstraints)) {
-  WebViewImpl* webView = initialize();
-  webView->resizeWithTopControls(webView->size(), 50.f, false);
-  frame()->view()->getScrollableArea()->setScrollOffset(ScrollOffset(0, 100),
-                                                        ProgrammaticScroll);
-
-  // Setting permitted state should change the content offset to match the
-  // constraint.
-  webView->updateTopControlsState(WebTopControlsShown, WebTopControlsShown,
-                                  false);
-  EXPECT_FLOAT_EQ(50.f, webView->topControls().contentOffset());
-
-  // Only shown state is permitted so controls cannot hide
-  verticalScroll(-20.f);
-  EXPECT_FLOAT_EQ(50, webView->topControls().contentOffset());
-  EXPECT_SIZE_EQ(ScrollOffset(0, 120), frame()->view()->scrollOffset());
-
-  // Setting permitted state should change content offset to match the
-  // constraint.
-  webView->updateTopControlsState(WebTopControlsHidden, WebTopControlsHidden,
-                                  false);
-  EXPECT_FLOAT_EQ(0, webView->topControls().contentOffset());
-
-  // Only hidden state is permitted so controls cannot show
-  verticalScroll(30.f);
-  EXPECT_FLOAT_EQ(0, webView->topControls().contentOffset());
-  EXPECT_SIZE_EQ(ScrollOffset(0, 90), frame()->view()->scrollOffset());
-
-  // Setting permitted state to "both" should not change content offset.
-  webView->updateTopControlsState(WebTopControlsBoth, WebTopControlsBoth,
-                                  false);
-  EXPECT_FLOAT_EQ(0, webView->topControls().contentOffset());
-
-  // Both states are permitted so controls can either show or hide
-  verticalScroll(50.f);
-  EXPECT_FLOAT_EQ(50, webView->topControls().contentOffset());
-  EXPECT_SIZE_EQ(ScrollOffset(0, 90), frame()->view()->scrollOffset());
-
-  verticalScroll(-50.f);
-  EXPECT_FLOAT_EQ(0, webView->topControls().contentOffset());
-  EXPECT_SIZE_EQ(ScrollOffset(0, 90), frame()->view()->scrollOffset());
-
-  // Setting permitted state to "both" should not change an in-flight offset.
-  verticalScroll(20.f);
-  EXPECT_FLOAT_EQ(20, webView->topControls().contentOffset());
-  webView->updateTopControlsState(WebTopControlsBoth, WebTopControlsBoth,
-                                  false);
-  EXPECT_FLOAT_EQ(20, webView->topControls().contentOffset());
-
-  // An animated state change shouldn't cause a change to the content offset
-  // since it'll be driven from the compositor.
-  webView->updateTopControlsState(WebTopControlsHidden, WebTopControlsHidden,
-                                  true);
-  EXPECT_FLOAT_EQ(20, webView->topControls().contentOffset());
-
-  webView->updateTopControlsState(WebTopControlsShown, WebTopControlsShown,
-                                  true);
-  EXPECT_FLOAT_EQ(20, webView->topControls().contentOffset());
-
-  // Setting just the constraint should affect the content offset.
-  webView->updateTopControlsState(WebTopControlsHidden, WebTopControlsBoth,
-                                  false);
-  EXPECT_FLOAT_EQ(0, webView->topControls().contentOffset());
-
-  webView->updateTopControlsState(WebTopControlsShown, WebTopControlsBoth,
-                                  false);
-  EXPECT_FLOAT_EQ(50, webView->topControls().contentOffset());
-}
-
-// Ensure that top controls do not affect the layout by showing and hiding
-// except for position: fixed elements.
-TEST_F(TopControlsTest, MAYBE(DontAffectLayoutHeight)) {
-  // Initialize with the top controls showing.
-  WebViewImpl* webView = initialize("percent-height.html");
-  webView->resizeWithTopControls(WebSize(400, 300), 100.f, true);
-  webView->updateTopControlsState(WebTopControlsBoth, WebTopControlsShown,
-                                  false);
-  webView->topControls().setShownRatio(1);
-  webView->updateAllLifecyclePhases();
-
-  ASSERT_EQ(100.f, webView->topControls().contentOffset());
-
-  // When the top controls are showing, there's 300px for the layout height so
-  // 50% should result in both the position:fixed and position: absolute divs
-  // having 150px of height.
-  Element* absPos = getElementById(WebString::fromUTF8("abs"));
-  Element* fixedPos = getElementById(WebString::fromUTF8("fixed"));
-  EXPECT_FLOAT_EQ(150.f, absPos->getBoundingClientRect()->height());
-  EXPECT_FLOAT_EQ(150.f, fixedPos->getBoundingClientRect()->height());
-
-  // The layout size on the FrameView should not include the top controls.
-  EXPECT_EQ(300, frame()->view()->layoutSize(IncludeScrollbars).height());
-
-  // Hide the top controls.
-  verticalScroll(-100.f);
-  webView->resizeWithTopControls(WebSize(400, 400), 100.f, false);
-  webView->updateAllLifecyclePhases();
-
-  ASSERT_EQ(0.f, webView->topControls().contentOffset());
-
-  // Hiding the top controls shouldn't change the height of the initial
-  // containing block for non-position: fixed. Position: fixed however should
-  // use the entire height of the viewport however.
-  EXPECT_FLOAT_EQ(150.f, absPos->getBoundingClientRect()->height());
-  EXPECT_FLOAT_EQ(200.f, fixedPos->getBoundingClientRect()->height());
-
-  // The layout size should not change as a result of top controls hiding.
-  EXPECT_EQ(300, frame()->view()->layoutSize(IncludeScrollbars).height());
-}
-
-// Ensure that top controls do not affect vh units.
-TEST_F(TopControlsTest, MAYBE(DontAffectVHUnits)) {
-  // Initialize with the top controls showing.
-  WebViewImpl* webView = initialize("vh-height.html");
-  webView->resizeWithTopControls(WebSize(400, 300), 100.f, true);
-  webView->updateTopControlsState(WebTopControlsBoth, WebTopControlsShown,
-                                  false);
-  webView->topControls().setShownRatio(1);
-  webView->updateAllLifecyclePhases();
-
-  ASSERT_EQ(100.f, webView->topControls().contentOffset());
-
-  // 'vh' units should be based on the viewport when the top controls are
-  // hidden.
-  Element* absPos = getElementById(WebString::fromUTF8("abs"));
-  Element* fixedPos = getElementById(WebString::fromUTF8("fixed"));
-  EXPECT_FLOAT_EQ(200.f, absPos->getBoundingClientRect()->height());
-  EXPECT_FLOAT_EQ(200.f, fixedPos->getBoundingClientRect()->height());
-
-  // The size used for viewport units should not be reduced by the top
-  // controls.
-  EXPECT_EQ(400, frame()->view()->viewportSizeForViewportUnits().height());
-
-  // Hide the top controls.
-  verticalScroll(-100.f);
-  webView->resizeWithTopControls(WebSize(400, 400), 100.f, false);
-  webView->updateAllLifecyclePhases();
-
-  ASSERT_EQ(0.f, webView->topControls().contentOffset());
-
-  // vh units should be static with respect to the top controls so neighter
-  // <div> should change size are a result of the top controls hiding.
-  EXPECT_FLOAT_EQ(200.f, absPos->getBoundingClientRect()->height());
-  EXPECT_FLOAT_EQ(200.f, fixedPos->getBoundingClientRect()->height());
-
-  // The viewport size used for vh units should not change as a result of top
-  // controls hiding.
-  EXPECT_EQ(400, frame()->view()->viewportSizeForViewportUnits().height());
-}
-
-// Ensure that on a legacy page (there's a non-1 minimum scale) 100vh units fill
-// the viewport, with top controls hidden, when the viewport encompasses the
-// layout width.
-TEST_F(TopControlsTest, MAYBE(DontAffectVHUnitsWithScale)) {
-  // Initialize with the top controls showing.
-  WebViewImpl* webView = initialize("vh-height-width-800.html");
-  webView->resizeWithTopControls(WebSize(400, 300), 100.f, true);
-  webView->updateTopControlsState(WebTopControlsBoth, WebTopControlsShown,
-                                  false);
-  webView->topControls().setShownRatio(1);
-  webView->updateAllLifecyclePhases();
-
-  ASSERT_EQ(100.f, webView->topControls().contentOffset());
-
-  // Device viewport is 400px but the page is width=800 so minimum-scale
-  // should be 0.5. This is also the scale at which the viewport fills the
-  // layout width.
-  ASSERT_EQ(0.5f, webView->minimumPageScaleFactor());
-
-  // We should size vh units so that 100vh fills the viewport at min-scale so
-  // we have to account for the minimum page scale factor. Since both boxes
-  // are 50vh, and layout scale = 0.5, we have a vh viewport of 400 / 0.5 = 800
-  // so we expect 50vh to be 400px.
-  Element* absPos = getElementById(WebString::fromUTF8("abs"));
-  Element* fixedPos = getElementById(WebString::fromUTF8("fixed"));
-  EXPECT_FLOAT_EQ(400.f, absPos->getBoundingClientRect()->height());
-  EXPECT_FLOAT_EQ(400.f, fixedPos->getBoundingClientRect()->height());
-
-  // The size used for viewport units should not be reduced by the top
-  // controls.
-  EXPECT_EQ(800, frame()->view()->viewportSizeForViewportUnits().height());
-
-  // Hide the top controls.
-  verticalScroll(-100.f);
-  webView->resizeWithTopControls(WebSize(400, 400), 100.f, false);
-  webView->updateAllLifecyclePhases();
-
-  ASSERT_EQ(0.f, webView->topControls().contentOffset());
-
-  // vh units should be static with respect to the top controls so neighter
-  // <div> should change size are a result of the top controls hiding.
-  EXPECT_FLOAT_EQ(400.f, absPos->getBoundingClientRect()->height());
-  EXPECT_FLOAT_EQ(400.f, fixedPos->getBoundingClientRect()->height());
-
-  // The viewport size used for vh units should not change as a result of top
-  // controls hiding.
-  EXPECT_EQ(800, frame()->view()->viewportSizeForViewportUnits().height());
-}
-
-// Ensure that on a legacy page (there's a non-1 minimum scale) whose viewport
-// at minimum-scale is larger than the layout size, 100vh units fill the
-// viewport, with top controls hidden, when the viewport is scaled such that
-// its width equals the layout width.
-TEST_F(TopControlsTest, MAYBE(DontAffectVHUnitsUseLayoutSize)) {
-  // Initialize with the top controls showing.
-  WebViewImpl* webView = initialize("vh-height-width-800-extra-wide.html");
-  webView->resizeWithTopControls(WebSize(400, 300), 100.f, true);
-  webView->updateTopControlsState(WebTopControlsBoth, WebTopControlsShown,
-                                  false);
-  webView->topControls().setShownRatio(1);
-  webView->updateAllLifecyclePhases();
-
-  ASSERT_EQ(100.f, webView->topControls().contentOffset());
-
-  // Device viewport is 400px and page is width=800 but there's an element
-  // that's 1600px wide so the minimum scale is 0.25 to encompass that.
-  ASSERT_EQ(0.25f, webView->minimumPageScaleFactor());
-
-  // The viewport will match the layout width at scale=0.5 so the height used
-  // for vh should be (300 / 0.5) for the layout height + (100 / 0.5) for top
-  // controls = 800.
-  EXPECT_EQ(800, frame()->view()->viewportSizeForViewportUnits().height());
-}
-
-// This tests that the viewport remains anchored when top controls are brought
-// in while the document is fully scrolled. This normally causes clamping of the
-// visual viewport to keep it bounded by the layout viewport so we're testing
-// that the viewport anchoring logic is working to keep the view unchanged.
-TEST_F(TopControlsTest, MAYBE(AnchorViewportDuringTopControlsAdjustment)) {
-  int contentHeight = 1016;
-  int layoutViewportHeight = 500;
-  int visualViewportHeight = 500;
-  int topControlsHeight = 100;
-  int pageScale = 2;
-  int minScale = 1;
-
-  // Initialize with the top controls showing.
-  WebViewImpl* webView = initialize("large-div.html");
-  webViewImpl()->setDefaultPageScaleLimits(minScale, 5);
-  webView->resizeWithTopControls(WebSize(800, layoutViewportHeight),
-                                 topControlsHeight, true);
-  webView->updateTopControlsState(WebTopControlsBoth, WebTopControlsShown,
-                                  false);
-  webView->topControls().setShownRatio(1);
-  webView->updateAllLifecyclePhases();
-
-  FrameView* view = frame()->view();
-  ScrollableArea* rootViewport = frame()->view()->getScrollableArea();
-
-  int expectedVisualOffset =
-      ((layoutViewportHeight + topControlsHeight / minScale) * pageScale -
-       (visualViewportHeight + topControlsHeight)) /
-      pageScale;
-  int expectedLayoutOffset =
-      contentHeight - (layoutViewportHeight + topControlsHeight / minScale);
-  int expectedRootOffset = expectedVisualOffset + expectedLayoutOffset;
-
-  // Zoom in to 2X and fully scroll both viewports.
-  webView->setPageScaleFactor(pageScale);
-  {
-    webView->handleInputEvent(generateEvent(WebInputEvent::GestureScrollBegin));
-    webView->handleInputEvent(
-        generateEvent(WebInputEvent::GestureScrollUpdate, 0, -10000));
-
-    ASSERT_EQ(0.f, webView->topControls().contentOffset());
-
-    EXPECT_EQ(expectedVisualOffset, visualViewport().scrollOffset().height());
-    EXPECT_EQ(expectedLayoutOffset,
-              view->layoutViewportScrollableArea()->scrollOffset().height());
-    EXPECT_EQ(expectedRootOffset, rootViewport->scrollOffset().height());
-
-    webView->handleInputEvent(generateEvent(WebInputEvent::GestureScrollEnd));
-  }
-
-  // Commit the top controls resize so that the top controls do not shrink the
-  // layout size. This should not have moved any of the viewports.
-  webView->resizeWithTopControls(
-      WebSize(800, layoutViewportHeight + topControlsHeight), topControlsHeight,
-      false);
-  webView->updateAllLifecyclePhases();
-  ASSERT_EQ(expectedVisualOffset, visualViewport().scrollOffset().height());
-  ASSERT_EQ(expectedLayoutOffset,
-            view->layoutViewportScrollableArea()->scrollOffset().height());
-  ASSERT_EQ(expectedRootOffset, rootViewport->scrollOffset().height());
-
-  // Now scroll back up just enough to show the top controls. The top controls
-  // should shrink both viewports but the layout viewport by a greater amount.
-  // This means the visual viewport's offset must be clamped to keep it within
-  // the layout viewport. Make sure we adjust the scroll position to account
-  // for this and keep the visual viewport at the same location relative to
-  // the document (i.e. the user shouldn't see a movement).
-  {
-    webView->handleInputEvent(generateEvent(WebInputEvent::GestureScrollBegin));
-    webView->handleInputEvent(
-        generateEvent(WebInputEvent::GestureScrollUpdate, 0, 80));
-
-    visualViewport().clampToBoundaries();
-    view->setScrollOffset(view->scrollOffset(), ProgrammaticScroll);
-
-    ASSERT_EQ(80.f, webView->topControls().contentOffset());
-    EXPECT_EQ(expectedRootOffset, rootViewport->scrollOffset().height());
-
-    webView->handleInputEvent(generateEvent(WebInputEvent::GestureScrollEnd));
-  }
-}
-
-}  // namespace blink