Compute pageScaleFactor on page so that fixed layout page fits width of window.

content/renderer/render_view_impl.cc

Index: content/renderer/render_view_impl.cc
diff --git a/content/renderer/render_view_impl.cc b/content/renderer/render_view_impl.cc
index 5ab58f0afc2dd4b65490785e631bedca6af7581d..0a02ebe914e2418497bdb153a59b25ee2446b79f 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -4362,6 +4362,8 @@ void RenderViewImpl::OnMoveOrResizeStarted() {
 void RenderViewImpl::OnResize(const gfx::Size& new_size,
                               const gfx::Rect& resizer_rect,
                               bool is_fullscreen) {
+  content::GetContentClient()->renderer()->RenderViewResized(

[darin (slow to review), 2012/02/15 06:13:23]

this is really a "before"-resize event.  notice how the WebView's size is still
the old size when RenderViewResized is called.  is that intentional?

[Fady Samuel, 2012/02/15 17:46:05]

For the purposes of the layout fallback width yes, because the viewport is
computed after this. I have renamed the method to RenderViewWillResize for
clarity.

+      this, new_size.width(), new_size.height());
   if (webview()) {
     webview()->hidePopups();
     if (send_preferred_size_changes_) {