also overrides the window.visualViewport results

 .../renderer/content_settings_agent_impl.h    |  1 +

 .../platform/web_content_settings_client.h    |  2 +

 .../blink/renderer/core/css/media_values.cc   | 10 +++

 .../core/frame/dom_visual_viewport.cc         |  4 +-

 .../renderer/core/frame/local_frame_view.cc   |  3 +

 .../blink/renderer/core/frame/screen.cc       | 17 +++-

 .../renderer/core/frame/visual_viewport.cc    |  4 +

 third_party/blink/renderer/core/page/page.cc  |  8 ++

 third_party/blink/renderer/core/page/page.h   |  3 +

 .../screen_enumeration/screen_detailed.cc     | 15 ++++

 28 files changed, 247 insertions(+), 12 deletions(-)

 29 files changed, 250 insertions(+), 13 deletions(-)

 create mode 100644 components/browser_ui/site_settings/android/java/src/org/chromium/components/browser_ui/site_settings/BromiteViewportContentSetting.java

 create mode 100644 components/browser_ui/strings/android/viewport.grdp

   return device_height;

 }

diff --git a/third_party/blink/renderer/core/frame/dom_visual_viewport.cc b/third_party/blink/renderer/core/frame/dom_visual_viewport.cc

--- a/third_party/blink/renderer/core/frame/dom_visual_viewport.cc

+++ b/third_party/blink/renderer/core/frame/dom_visual_viewport.cc

@@ -177,8 +177,10 @@ double DOMVisualViewport::scale() const {

   if (!frame->IsOutermostMainFrame())

     return 1;

-  if (Page* page = window_->GetFrame()->GetPage())

+  if (Page* page = window_->GetFrame()->GetPage()) {

+    if (page->PageWidthOverride() != 0) return 1;

     return page->GetVisualViewport().ScaleForVisualViewport();

+  }

   return 0;

 }

diff --git a/third_party/blink/renderer/core/frame/local_frame_view.cc b/third_party/blink/renderer/core/frame/local_frame_view.cc

--- a/third_party/blink/renderer/core/frame/local_frame_view.cc

+++ b/third_party/blink/renderer/core/frame/local_frame_view.cc