Fix blurry content after disabling dev tools emulation

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

 /*
  * Copyright (C) 2011, 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:
  *
  *     * 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 3944 matching lines @@
   WebViewImpl* webViewImpl =
       m_webViewHelper.initializeAndLoad(m_baseURL + "200-by-300.html");
   webViewImpl->resize(WebSize(100, 150));
   webViewImpl->layerTreeView()->setViewportSize(WebSize(100, 150));
   VisualViewport* visualViewport =
       &webViewImpl->page()->frameHost().visualViewport();
   DevToolsEmulator* devToolsEmulator = webViewImpl->devToolsEmulator();
 
   TransformationMatrix expectedMatrix;
   expectedMatrix.makeIdentity();
-  EXPECT_EQ(expectedMatrix, webViewImpl->getRootLayerTransformForTesting());
+  EXPECT_EQ(expectedMatrix,
+            webViewImpl->getDeviceEmulationTransformForTesting());
   EXPECT_FALSE(devToolsEmulator->visibleContentRectForPainting());
   EXPECT_TRUE(visualViewport->containerLayer()->masksToBounds());
 
   // Override applies transform, sets visibleContentRect, and disables
   // visual viewport clipping.
   devToolsEmulator->forceViewport(WebFloatPoint(50, 55), 2.f);
   expectedMatrix.makeIdentity().scale(2.f).translate(-50, -55);
-  EXPECT_EQ(expectedMatrix, webViewImpl->getRootLayerTransformForTesting());
+  EXPECT_EQ(expectedMatrix,
+            webViewImpl->getDeviceEmulationTransformForTesting());
   EXPECT_EQ(IntRect(50, 55, 50, 75),
             *devToolsEmulator->visibleContentRectForPainting());
   EXPECT_FALSE(visualViewport->containerLayer()->masksToBounds());
 
   // Setting new override discards previous one.
   devToolsEmulator->forceViewport(WebFloatPoint(5.4f, 10.5f), 1.5f);
   expectedMatrix.makeIdentity().scale(1.5f).translate(-5.4f, -10.5f);
-  EXPECT_EQ(expectedMatrix, webViewImpl->getRootLayerTransformForTesting());
+  EXPECT_EQ(expectedMatrix,
+            webViewImpl->getDeviceEmulationTransformForTesting());
   EXPECT_EQ(IntRect(5, 10, 68, 101),
             *devToolsEmulator->visibleContentRectForPainting());
   EXPECT_FALSE(visualViewport->containerLayer()->masksToBounds());
 
   // Clearing override restores original transform, visibleContentRect and
   // visual viewport clipping.
   devToolsEmulator->resetViewport();
   expectedMatrix.makeIdentity();
-  EXPECT_EQ(expectedMatrix, webViewImpl->getRootLayerTransformForTesting());
+  EXPECT_EQ(expectedMatrix,
+            webViewImpl->getDeviceEmulationTransformForTesting());
   EXPECT_FALSE(devToolsEmulator->visibleContentRectForPainting());
   EXPECT_TRUE(visualViewport->containerLayer()->masksToBounds());
 }
 
 TEST_F(WebViewTest, ViewportOverrideIntegratesDeviceMetricsOffsetAndScale) {
   URLTestHelpers::registerMockedURLFromBaseURL(
       WebString::fromUTF8(m_baseURL.c_str()),
       WebString::fromUTF8("200-by-300.html"));
   WebViewImpl* webViewImpl =
       m_webViewHelper.initializeAndLoad(m_baseURL + "200-by-300.html");
   webViewImpl->resize(WebSize(100, 150));
 
   TransformationMatrix expectedMatrix;
   expectedMatrix.makeIdentity();
-  EXPECT_EQ(expectedMatrix, webViewImpl->getRootLayerTransformForTesting());
+  EXPECT_EQ(expectedMatrix,
+            webViewImpl->getDeviceEmulationTransformForTesting());
 
   WebDeviceEmulationParams emulationParams;
   emulationParams.offset = WebFloatPoint(50, 50);
   emulationParams.scale = 2.f;
   webViewImpl->enableDeviceEmulation(emulationParams);
   expectedMatrix.makeIdentity().translate(50, 50).scale(2.f);
-  EXPECT_EQ(expectedMatrix, webViewImpl->getRootLayerTransformForTesting());
+  EXPECT_EQ(expectedMatrix,
+            webViewImpl->getDeviceEmulationTransformForTesting());
 
   // Device metrics offset and scale are applied before viewport override.
   webViewImpl->devToolsEmulator()->forceViewport(WebFloatPoint(5, 10), 1.5f);
   expectedMatrix.makeIdentity()
       .scale(1.5f)
       .translate(-5, -10)
       .translate(50, 50)
       .scale(2.f);
-  EXPECT_EQ(expectedMatrix, webViewImpl->getRootLayerTransformForTesting());
+  EXPECT_EQ(expectedMatrix,
+            webViewImpl->getDeviceEmulationTransformForTesting());
 }
 
 TEST_F(WebViewTest, ViewportOverrideAdaptsToScaleAndScroll) {
   URLTestHelpers::registerMockedURLFromBaseURL(
       WebString::fromUTF8(m_baseURL.c_str()),
       WebString::fromUTF8("200-by-300.html"));
   WebViewImpl* webViewImpl =
       m_webViewHelper.initializeAndLoad(m_baseURL + "200-by-300.html");
   webViewImpl->resize(WebSize(100, 150));
   webViewImpl->layerTreeView()->setViewportSize(WebSize(100, 150));
   FrameView* frameView = webViewImpl->mainFrameImpl()->frame()->view();
   DevToolsEmulator* devToolsEmulator = webViewImpl->devToolsEmulator();
 
   TransformationMatrix expectedMatrix;
   expectedMatrix.makeIdentity();
-  EXPECT_EQ(expectedMatrix, webViewImpl->getRootLayerTransformForTesting());
+  EXPECT_EQ(expectedMatrix,
+            webViewImpl->getDeviceEmulationTransformForTesting());
 
   // Initial transform takes current page scale and scroll position into
   // account.
   webViewImpl->setPageScaleFactor(1.5f);
   frameView->setScrollPosition(DoublePoint(100, 150), ProgrammaticScroll,
                                ScrollBehaviorInstant);
   devToolsEmulator->forceViewport(WebFloatPoint(50, 55), 2.f);
   expectedMatrix.makeIdentity()
       .scale(2.f)
       .translate(-50, -55)
       .translate(100, 150)
       .scale(1. / 1.5f);
-  EXPECT_EQ(expectedMatrix, webViewImpl->getRootLayerTransformForTesting());
+  EXPECT_EQ(expectedMatrix,
+            webViewImpl->getDeviceEmulationTransformForTesting());
   // Page scroll and scale are irrelevant for visibleContentRect.
   EXPECT_EQ(IntRect(50, 55, 50, 75),
             *devToolsEmulator->visibleContentRectForPainting());
 
   // Transform adapts to scroll changes.
   frameView->setScrollPosition(DoublePoint(50, 55), ProgrammaticScroll,
                                ScrollBehaviorInstant);
   expectedMatrix.makeIdentity()
       .scale(2.f)
       .translate(-50, -55)
       .translate(50, 55)
       .scale(1. / 1.5f);
-  EXPECT_EQ(expectedMatrix, webViewImpl->getRootLayerTransformForTesting());
+  EXPECT_EQ(expectedMatrix,
+            webViewImpl->getDeviceEmulationTransformForTesting());
   // visibleContentRect doesn't change.
   EXPECT_EQ(IntRect(50, 55, 50, 75),
             *devToolsEmulator->visibleContentRectForPainting());
 
   // Transform adapts to page scale changes.
   webViewImpl->setPageScaleFactor(2.f);
   expectedMatrix.makeIdentity()
       .scale(2.f)
       .translate(-50, -55)
       .translate(50, 55)
       .scale(1. / 2.f);
-  EXPECT_EQ(expectedMatrix, webViewImpl->getRootLayerTransformForTesting());
+  EXPECT_EQ(expectedMatrix,
+            webViewImpl->getDeviceEmulationTransformForTesting());
   // visibleContentRect doesn't change.
   EXPECT_EQ(IntRect(50, 55, 50, 75),
             *devToolsEmulator->visibleContentRectForPainting());
 }
 
 }  // namespace blink