Adding the page and DPI scale adjustment for Autofill Popups.

chrome/renderer/autofill/password_autofill_manager.h

Index: chrome/renderer/autofill/password_autofill_manager.h
diff --git a/chrome/renderer/autofill/password_autofill_manager.h b/chrome/renderer/autofill/password_autofill_manager.h
index 8b407f392f5cdfd91614e0eb45fb1c76f6dce7a5..33a24c5b681fb89c6db3159df25849d084397abf 100644
--- a/chrome/renderer/autofill/password_autofill_manager.h
+++ b/chrome/renderer/autofill/password_autofill_manager.h
@@ -17,6 +17,7 @@
 namespace WebKit {
 class WebInputElement;
 class WebKeyboardEvent;
+class WebView;
 }
 
 namespace autofill {
@@ -117,6 +118,9 @@ class PasswordAutofillManager : public content::RenderViewObserver,
   // Used to disable and hide the popup.
   bool disable_popup_;
 
+  // Pointer to the WebView. Used to access page scale factor.
+  WebKit::WebView* web_view_;
+
   base::WeakPtrFactory<PasswordAutofillManager> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PasswordAutofillManager);