Position autofill popup widgets correctly under --site-per-process

components/autofill/core/browser/autofill_manager.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/autofill/core/browser/autofill_manager.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 369 matching lines @@
 
 void AutofillManager::OnQueryFormFieldAutofill(int query_id,
                                                const FormData& form,
                                                const FormFieldData& field,
                                                const gfx::RectF& bounding_box) {
   if (!IsValidFormData(form) || !IsValidFormFieldData(field))
     return;
 
   std::vector<Suggestion> suggestions;
 
-  external_delegate_->OnQuery(query_id, form, field, bounding_box);
+  gfx::RectF transformed_box =
+      driver_->TransformBoundingBoxToViewportCoordinates(bounding_box);
+  external_delegate_->OnQuery(query_id, form, field, transformed_box);
 
   // Need to refresh models before using the form_event_loggers.
   bool is_autofill_possible = RefreshDataModels();
 
   FormStructure* form_structure = NULL;
   AutofillField* autofill_field = NULL;
   bool got_autofillable_form =
       GetCachedFormAndField(form, field, &form_structure, &autofill_field) &&
       // Don't send suggestions or track forms that should not be parsed.
       form_structure->ShouldBeParsed();
@@ skipping 1306 matching lines @@
     if (i > 0)
       fputs("Next oldest form:\n", file);
   }
   fputs("\n", file);
 
   fclose(file);
 }
 #endif  // ENABLE_FORM_DEBUG_DUMP
 
 }  // namespace autofill