[Android WebView] Add a legacy quirk for 'user-scalable=no' case

Source/web/tests/WebFrameTest.cpp

Index: Source/web/tests/WebFrameTest.cpp
diff --git a/Source/web/tests/WebFrameTest.cpp b/Source/web/tests/WebFrameTest.cpp
index 38440c55dfa2364c855fe17d93ead9953cd137b7..cf31b95ea6e3288c3effe7502bf6edad1f8b1e01 100644
--- a/Source/web/tests/WebFrameTest.cpp
+++ b/Source/web/tests/WebFrameTest.cpp
@@ -1782,6 +1782,74 @@ TEST_F(WebFrameTest, NoWideViewportAndScaleLessThanOneWithDeviceWidth)
     EXPECT_NEAR(1.0f / client.m_screenInfo.deviceScaleFactor, webViewHelper.webView()->pageScaleFactor(), 0.01f);
 }
 
+TEST_F(WebFrameTest, NoUserScalableQuirkIgnoresViewportScale)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport-initial-scale-and-user-scalable-no.html");
+
+    FixedLayoutTestWebViewClient client;
+    int viewportWidth = 640;
+    int viewportHeight = 480;
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport-initial-scale-and-user-scalable-no.html", true, 0, &client);
+    webViewHelper.webView()->settings()->setViewportEnabled(true);
+    webViewHelper.webView()->settings()->setViewportMetaNonUserScalableQuirk(true);
+    webViewHelper.webView()->resize(WebSize(viewportWidth, viewportHeight));
+    webViewHelper.webView()->layout();
+
+    EXPECT_NEAR(viewportWidth, webViewHelper.webViewImpl()->mainFrameImpl()->frameView()->layoutSize().width(), 1.0f);
+    EXPECT_NEAR(viewportHeight, webViewHelper.webViewImpl()->mainFrameImpl()->frameView()->layoutSize().height(), 1.0f);
+    EXPECT_NEAR(1.0f, webViewHelper.webView()->pageScaleFactor(), 0.01f);
+}
+
+TEST_F(WebFrameTest, NoUserScalableQuirkIgnoresViewportScaleForNonWideViewport)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport-initial-scale-and-user-scalable-no.html");
+
+    FixedLayoutTestWebViewClient client;
+    client.m_screenInfo.deviceScaleFactor = 1.33f;
+    int viewportWidth = 640;
+    int viewportHeight = 480;
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport-initial-scale-and-user-scalable-no.html", true, 0, &client);
+    webViewHelper.webView()->settings()->setViewportEnabled(true);
+    webViewHelper.webView()->settings()->setSupportDeprecatedTargetDensityDPI(true);
+    webViewHelper.webView()->settings()->setViewportMetaNonUserScalableQuirk(true);
+    webViewHelper.webView()->settings()->setWideViewportQuirkEnabled(true);
+    webViewHelper.webView()->settings()->setUseWideViewport(false);
+    webViewHelper.webView()->resize(WebSize(viewportWidth, viewportHeight));
+    webViewHelper.webView()->layout();
+
+    EXPECT_NEAR(viewportWidth * client.m_screenInfo.deviceScaleFactor, webViewHelper.webViewImpl()->mainFrameImpl()->frameView()->layoutSize().width(), 1.0f);
+    EXPECT_NEAR(viewportHeight * client.m_screenInfo.deviceScaleFactor, webViewHelper.webViewImpl()->mainFrameImpl()->frameView()->layoutSize().height(), 1.0f);
+    EXPECT_NEAR(1.0f / client.m_screenInfo.deviceScaleFactor, webViewHelper.webView()->pageScaleFactor(), 0.01f);
+}
+
+TEST_F(WebFrameTest, NoUserScalableQuirkIgnoresViewportScaleForWideViewport)
+{
+    UseMockScrollbarSettings mockScrollbarSettings;
+    registerMockedHttpURLLoad("viewport-2x-initial-scale-non-user-scalable.html");
+
+    FixedLayoutTestWebViewClient client;
+    int viewportWidth = 640;
+    int viewportHeight = 480;
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(m_baseURL + "viewport-2x-initial-scale-non-user-scalable.html", true, 0, &client);
+    webViewHelper.webView()->settings()->setViewportEnabled(true);
+    webViewHelper.webView()->settings()->setViewportMetaNonUserScalableQuirk(true);
+    webViewHelper.webView()->settings()->setWideViewportQuirkEnabled(true);
+    webViewHelper.webView()->settings()->setUseWideViewport(true);
+    webViewHelper.webView()->resize(WebSize(viewportWidth, viewportHeight));
+
+    EXPECT_NEAR(viewportWidth, webViewHelper.webViewImpl()->mainFrameImpl()->frameView()->layoutSize().width(), 1.0f);
+    EXPECT_NEAR(viewportHeight, webViewHelper.webViewImpl()->mainFrameImpl()->frameView()->layoutSize().height(), 1.0f);
+    EXPECT_NEAR(1.0f, webViewHelper.webView()->pageScaleFactor(), 0.01f);
+}
+
 class WebFrameResizeTest : public WebFrameTest {
 protected: