Make new-style page scale work on Android.

cc/layer_tree_host_impl_unittest.cc

 // Copyright 2011 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 "cc/layer_tree_host_impl.h"
 
 #include <cmath>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 516 matching lines @@
 
     // Scrolling diagonally against an edge will succeed.
     EXPECT_TRUE(m_hostImpl->scrollBy(gfx::Point(), gfx::Vector2d(10, -10)));
     EXPECT_TRUE(m_hostImpl->scrollBy(gfx::Point(), gfx::Vector2d(-10, 0)));
     EXPECT_TRUE(m_hostImpl->scrollBy(gfx::Point(), gfx::Vector2d(-10, 10)));
 
     // Trying to scroll more than the available space will also succeed.
     EXPECT_TRUE(m_hostImpl->scrollBy(gfx::Point(), gfx::Vector2d(5000, 5000)));
 }
 
-TEST_P(LayerTreeHostImplTest, maxScrollOffsetChangedByDeviceScaleFactor)
-{
-    setupScrollAndContentsLayers(gfx::Size(100, 100));
-
-    float deviceScaleFactor = 2;
-    gfx::Size layoutViewport(25, 25);
-    gfx::Size deviceViewport(gfx::ToFlooredSize(gfx::ScaleSize(layoutViewport, deviceScaleFactor)));
-    m_hostImpl->setViewportSize(layoutViewport, deviceViewport);
-    m_hostImpl->setDeviceScaleFactor(deviceScaleFactor);
-    EXPECT_EQ(m_hostImpl->rootLayer()->maxScrollOffset(), gfx::Vector2d(25, 25));
-
-    deviceScaleFactor = 1;
-    m_hostImpl->setViewportSize(layoutViewport, layoutViewport);
-    m_hostImpl->setDeviceScaleFactor(deviceScaleFactor);
-    EXPECT_EQ(m_hostImpl->rootLayer()->maxScrollOffset(), gfx::Vector2d(75, 75));
-}
-
 TEST_P(LayerTreeHostImplTest, clearRootRenderSurfaceAndHitTestTouchHandlerRegion)
 {
     setupScrollAndContentsLayers(gfx::Size(100, 100));
     m_hostImpl->setViewportSize(gfx::Size(50, 50), gfx::Size(50, 50));
     initializeRendererAndDrawFrame();
 
     // We should be able to hit test for touch event handlers even if the root layer loses
     // its render surface after the most recent render.
     m_hostImpl->rootLayer()->clearRenderSurface();
     m_hostImpl->setNeedsUpdateDrawProperties();
@@ skipping 3862 matching lines @@
     gfx::Rect noDamage = gfx::Rect(m_hostImpl->deviceViewportSize());
     drawFrameAndTestDamage(noDamage);
 }
 
 INSTANTIATE_TEST_CASE_P(LayerTreeHostImplTests,
                         LayerTreeHostImplTest,
                         ::testing::Values(false, true));
 
 }  // namespace
 }  // namespace cc