[android] Autofill popup behavior fixes.

content/browser/renderer_host/render_widget_host_impl.cc

 // Copyright (c) 2012 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 "content/browser/renderer_host/render_widget_host_impl.h"
 
 #include <math.h>
 #include <set>
 #include <utility>
 
@@ skipping 591 matching lines @@
 
 void RenderWidgetHostImpl::WasResized() {
   // Skip if the |delegate_| has already been detached because
   // it's web contents is being deleted.
   if (resize_ack_pending_ || !process_->HasConnection() || !view_ ||
       !renderer_initialized_ || auto_resize_enabled_ || !delegate_) {
     return;
   }
 
   bool size_changed = true;
+  bool width_changed = true;
   bool side_payload_changed = screen_info_out_of_date_;
   scoped_ptr<ViewMsg_Resize_Params> params(new ViewMsg_Resize_Params);
 
   GetResizeParams(params.get());
   if (old_resize_params_) {
     size_changed = old_resize_params_->new_size != params->new_size;
+    width_changed =
+        old_resize_params_->new_size.width() != params->new_size.width();
     side_payload_changed =
         side_payload_changed ||
         old_resize_params_->physical_backing_size !=
             params->physical_backing_size ||
         old_resize_params_->is_fullscreen != params->is_fullscreen ||
         old_resize_params_->top_controls_height !=
             params->top_controls_height ||
         old_resize_params_->top_controls_shrink_blink_size !=
             params->top_controls_shrink_blink_size ||
         old_resize_params_->visible_viewport_size !=
@@ skipping 10 matching lines @@
     resize_ack_pending_ = g_check_for_pending_resize_ack;
   }
 
   if (!Send(new ViewMsg_Resize(routing_id_, *params))) {
     resize_ack_pending_ = false;
   } else {
     old_resize_params_.swap(params);
   }
 
   if (delegate_)
-    delegate_->RenderWidgetWasResized(this);
+    delegate_->RenderWidgetWasResized(this, width_changed);
 }
 
 void RenderWidgetHostImpl::ResizeRectChanged(const gfx::Rect& new_rect) {
   Send(new ViewMsg_ChangeResizeRect(routing_id_, new_rect));
 }
 
 void RenderWidgetHostImpl::GotFocus() {
   Focus();
   if (delegate_)
     delegate_->RenderWidgetGotFocus(this);
@@ skipping 1525 matching lines @@
 }
 #endif
 
 SkColorType RenderWidgetHostImpl::PreferredReadbackFormat() {
   if (view_)
     return view_->PreferredReadbackFormat();
   return kN32_SkColorType;
 }
 
 }  // namespace content