[Android WebView] Avoid expanding layout width to match the old WebView

Source/web/WebSettingsImpl.cpp

Index: Source/web/WebSettingsImpl.cpp
diff --git a/Source/web/WebSettingsImpl.cpp b/Source/web/WebSettingsImpl.cpp
index b0d0daffc21ebcb7d75e94cfbf3ac81060e9e971..df4c29b4bfbf21524a92aae171344e62d155a196 100644
--- a/Source/web/WebSettingsImpl.cpp
+++ b/Source/web/WebSettingsImpl.cpp
@@ -56,6 +56,7 @@ WebSettingsImpl::WebSettingsImpl(Settings* settings)
     , m_deferredImageDecodingEnabled(false)
     , m_doubleTapToZoomEnabled(false)
     , m_supportDeprecatedTargetDensityDPI(false)
+    , m_expandLayoutToFillVisualViewport(true)
     , m_pinchOverlayScrollbarThickness(0)
 {
     ASSERT(settings);
@@ -181,6 +182,11 @@ void WebSettingsImpl::setSupportDeprecatedTargetDensityDPI(bool supportDeprecate
     m_supportDeprecatedTargetDensityDPI = supportDeprecatedTargetDensityDPI;
 }
 
+void WebSettingsImpl::setExpandLayoutToFillVisualViewport(bool expandLayoutToFillVisualViewport)
+{
+    m_expandLayoutToFillVisualViewport = expandLayoutToFillVisualViewport;
+}
+
 void WebSettingsImpl::setSupportsMultipleWindows(bool supportsMultipleWindows)
 {
     m_settings->setSupportsMultipleWindows(supportsMultipleWindows);