[Android WebView] Update viewport size and scale calculation to match WebView Classic

Source/WebKit/chromium/src/WebSettingsImpl.cpp

Index: Source/WebKit/chromium/src/WebSettingsImpl.cpp
diff --git a/Source/WebKit/chromium/src/WebSettingsImpl.cpp b/Source/WebKit/chromium/src/WebSettingsImpl.cpp
index a0bba0d8c62f05b08be71bced072c4b83e07e2e3..9410716f86656e91b61d602cd3f571211d0aaf7b 100644
--- a/Source/WebKit/chromium/src/WebSettingsImpl.cpp
+++ b/Source/WebKit/chromium/src/WebSettingsImpl.cpp
@@ -53,6 +53,7 @@ WebSettingsImpl::WebSettingsImpl(Settings* settings)
     , m_renderVSyncNotificationEnabled(false)
     , m_viewportEnabled(false)
     , m_initializeAtMinimumPageScale(true)
+    , m_useWideViewport(true)
     , m_gestureTapHighlightEnabled(true)
     , m_autoZoomFocusedNodeToLegibleScale(false)
     , m_deferredImageDecodingEnabled(false)
@@ -257,6 +258,11 @@ void WebSettingsImpl::setUsesPageCache(bool usesPageCache)
     m_settings->setUsesPageCache(usesPageCache);
 }
 
+void WebSettingsImpl::setUseWideViewport(bool useWideViewport)
+{
+    m_useWideViewport = useWideViewport;
+}
+
 void WebSettingsImpl::setPageCacheSupportsPlugins(bool pageCacheSupportsPlugins)
 {
     m_settings->setPageCacheSupportsPlugins(pageCacheSupportsPlugins);