Wires through scale factor and bounds in html_viewer

mojo/services/html_viewer/html_document.h

Index: mojo/services/html_viewer/html_document.h
diff --git a/mojo/services/html_viewer/html_document.h b/mojo/services/html_viewer/html_document.h
index 38fcd71e20681618851933e8b51fc56fca151de8..217e2b8c266d4b90e0803b02efea17cf65ed0f9d 100644
--- a/mojo/services/html_viewer/html_document.h
+++ b/mojo/services/html_viewer/html_document.h
@@ -69,6 +69,10 @@ class HTMLDocument : public blink::WebViewClient,
   virtual ~HTMLDocument();
 
  private:
+  // Updates the size and scale factor of the webview and related classes from
+  // |root_|.
+  void UpdateWebviewSizeFromViewSize();
+
   // WebViewClient methods:
   virtual blink::WebStorageNamespace* createSessionStorageNamespace();