Remove top controls clipping adjustment for document.rootScroller

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

 // Copyright 2016 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 "bindings/core/v8/NodeOrString.h"
 #include "core/dom/ClientRect.h"
 #include "core/frame/BrowserControls.h"
 #include "core/frame/FrameView.h"
 #include "core/frame/RootFrameViewport.h"
 #include "core/frame/VisualViewport.h"
@@ skipping 712 matching lines @@
     // ViewportScrollCallback removed.  Keep the scrolls to guard crashes
     // but the expectations on when a ViewportScrollCallback have changed
     // and should be updated.
     // EXPECT_EQ(200, container->scrollTop());
   }
 
   // Reset explicitly to prevent lifetime issues with the RemoteFrameClient.
   m_helper.reset();
 }
 
-// Tests that the clipping layer is resized on the root scroller element even
-// if the layout height doesn't change.
-TEST_F(RootScrollerTest, BrowserControlsResizeClippingLayer) {
-  bool oldInertTopControls = RuntimeEnabledFeatures::inertTopControlsEnabled();
-  RuntimeEnabledFeatures::setInertTopControlsEnabled(true);
-
-  initialize("root-scroller.html");
-  Element* container = mainFrame()->document()->getElementById("container");
-
-  {
-    mainFrame()->document()->setRootScroller(container);
-
-    mainFrameView()->updateAllLifecyclePhases();
-    ASSERT_EQ(toLayoutBox(container->layoutObject())->clientHeight(), 400);
-
-    GraphicsLayer* clipLayer = toLayoutBox(container->layoutObject())
-                                   ->layer()
-                                   ->compositedLayerMapping()
-                                   ->scrollingLayer();
-    ASSERT_EQ(clipLayer->size().height(), 400);
-  }
-
-  {
-    webViewImpl()->handleInputEvent(
-        generateTouchGestureEvent(WebInputEvent::GestureScrollBegin));
-
-    // Scrolling over the #container DIV should cause the browser controls to
-    // hide.
-    EXPECT_FLOAT_EQ(1, browserControls().shownRatio());
-    webViewImpl()->handleInputEvent(generateTouchGestureEvent(
-        WebInputEvent::GestureScrollUpdate, 0, -browserControls().height()));
-    EXPECT_FLOAT_EQ(0, browserControls().shownRatio());
-
-    webViewImpl()->handleInputEvent(
-        generateTouchGestureEvent(WebInputEvent::GestureScrollEnd));
-
-    webViewImpl()->resizeWithBrowserControls(IntSize(400, 450), 50, false);
-
-    EXPECT_FALSE(container->layoutObject()->needsLayout());
-
-    mainFrameView()->updateAllLifecyclePhases();
-
-    // Since inert top controls are enabled, the container should not have
-    // resized, however, the clip layer should.
-    EXPECT_EQ(toLayoutBox(container->layoutObject())->clientHeight(), 400);
-    GraphicsLayer* clipLayer = toLayoutBox(container->layoutObject())
-                                   ->layer()
-                                   ->compositedLayerMapping()
-                                   ->scrollingLayer();
-    EXPECT_EQ(clipLayer->size().height(), 450);
-  }
-
-  RuntimeEnabledFeatures::setInertTopControlsEnabled(oldInertTopControls);
-}
-
-// Tests that the clipping layer is resized on the root scroller element when
-// it's an iframe and even if the layout height doesn't change.
-TEST_F(RootScrollerTest, BrowserControlsResizeClippingLayerIFrame) {
-  bool oldInertTopControls = RuntimeEnabledFeatures::inertTopControlsEnabled();
-  RuntimeEnabledFeatures::setInertTopControlsEnabled(true);
-
-  initialize("root-scroller-iframe.html");
-
-  Element* iframe = mainFrame()->document()->getElementById("iframe");
-  LocalFrame* childFrame =
-      toLocalFrame(toHTMLFrameOwnerElement(iframe)->contentFrame());
-
-  PaintLayerCompositor* childPLC =
-      childFrame->view()->layoutViewItem().compositor();
-
-  // Give the iframe itself scrollable content and make it the root scroller.
-  {
-    NonThrowableExceptionState nonThrow;
-    mainFrame()->document()->setRootScroller(iframe, nonThrow);
-
-    WebLocalFrame* childWebFrame =
-        mainWebFrame()->firstChild()->toWebLocalFrame();
-    executeScript(
-        "document.getElementById('container').style.width = '300%';"
-        "document.getElementById('container').style.height = '300%';",
-        *childWebFrame);
-
-    mainFrameView()->updateAllLifecyclePhases();
-
-    // Some sanity checks to make sure the test is setup correctly.
-    ASSERT_EQ(childFrame->view()->visibleContentSize().height(), 400);
-    ASSERT_EQ(childPLC->containerLayer()->size().height(), 400);
-    ASSERT_EQ(childPLC->rootGraphicsLayer()->size().height(), 400);
-  }
-
-  {
-    webViewImpl()->handleInputEvent(
-        generateTouchGestureEvent(WebInputEvent::GestureScrollBegin));
-
-    // Scrolling over the #container DIV should cause the browser controls to
-    // hide.
-    EXPECT_FLOAT_EQ(1, browserControls().shownRatio());
-    webViewImpl()->handleInputEvent(generateTouchGestureEvent(
-        WebInputEvent::GestureScrollUpdate, 0, -browserControls().height()));
-    EXPECT_FLOAT_EQ(0, browserControls().shownRatio());
-
-    webViewImpl()->handleInputEvent(
-        generateTouchGestureEvent(WebInputEvent::GestureScrollEnd));
-
-    webViewImpl()->resizeWithBrowserControls(IntSize(400, 450), 50, false);
-
-    EXPECT_FALSE(childFrame->view()->needsLayout());
-
-    mainFrameView()->updateAllLifecyclePhases();
-
-    // Since inert top controls are enabled, the iframe element should not have
-    // resized, however, its clip layer should resize to reveal content as the
-    // browser controls hide.
-    EXPECT_EQ(childFrame->view()->visibleContentSize().height(), 400);
-    EXPECT_EQ(childPLC->containerLayer()->size().height(), 450);
-    EXPECT_EQ(childPLC->rootGraphicsLayer()->size().height(), 450);
-  }
-
-  RuntimeEnabledFeatures::setInertTopControlsEnabled(oldInertTopControls);
-}
-
 // Tests that removing the root scroller element from the DOM resets the
 // effective root scroller without waiting for any lifecycle events.
 TEST_F(RootScrollerTest, RemoveRootScrollerFromDom) {
   initialize("root-scroller-iframe.html");
 
   {
     HTMLFrameOwnerElement* iframe = toHTMLFrameOwnerElement(
         mainFrame()->document()->getElementById("iframe"));
     Element* innerContainer =
         iframe->contentDocument()->getElementById("container");
@@ skipping 242 matching lines @@
   // FrameView without a layout.
   iframe->remove();
 
   EXPECT_EQ(mainFrameView()->layoutViewportScrollableArea(),
             &mainFrameView()->getRootFrameViewport()->layoutViewport());
 }
 
 }  // namespace
 
 }  // namespace blink