blink: Enable the GPU trigger when viewport meta tag is not read

Source/web/WebSettingsImpl.cpp

 /*
  * Copyright (C) 2009 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 629 matching lines @@
 WebSettings::HoverType WebSettingsImpl::primaryHoverType() const
 {
     return static_cast<HoverType>(m_settings->primaryHoverType());
 }
 
 bool WebSettingsImpl::viewportEnabled() const
 {
     return m_settings->viewportEnabled();
 }
 
+bool WebSettingsImpl::viewportMetaEnabled() const
+{
+    return m_settings->viewportMetaEnabled();
+}
+
 bool WebSettingsImpl::mockGestureTapHighlightsEnabled() const
 {
     return m_settings->mockGestureTapHighlightsEnabled();
 }
 
 bool WebSettingsImpl::mainFrameResizesAreOrientationChanges() const
 {
     return m_mainFrameResizesAreOrientationChanges;
 }
 
@@ skipping 81 matching lines @@
 {
     m_mainFrameResizesAreOrientationChanges = enabled;
 }
 
 void WebSettingsImpl::setV8CacheOptions(V8CacheOptions options)
 {
     m_settings->setV8CacheOptions(static_cast<blink::V8CacheOptions>(options));
 }
 
 } // namespace blink