[Element / Autofill] Add boundsInViewportFloat() to fix <input> popup misalignment.

content/renderer/render_view_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/renderer/render_view_impl.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "base/auto_reset.h"
@@ skipping 1913 matching lines @@
 
 // TODO(esprehn): Blink only ever passes Elements, this should take WebElement.
 void RenderViewImpl::focusedNodeChanged(const WebNode& fromNode,
                                         const WebNode& toNode) {
   has_scrolled_focused_editable_node_into_rect_ = false;
 
   gfx::Rect node_bounds;
   bool is_editable = false;
   if (!toNode.isNull() && toNode.isElementNode()) {
     WebElement element = const_cast<WebNode&>(toNode).to<WebElement>();
-    blink::WebRect rect = element.boundsInViewport();
+    // TODO(huangs): Use getElementBoundingBoxWindow().
+    blink::WebRect rect = element.boundsInViewportInt();
     convertViewportToWindow(&rect);
     node_bounds = gfx::Rect(rect);
     is_editable = element.isEditable();
   }
   Send(new ViewHostMsg_FocusedNodeChanged(routing_id_, is_editable,
                                           node_bounds));
 
   // TODO(estade): remove.
   FOR_EACH_OBSERVER(RenderViewObserver, observers_, FocusedNodeChanged(toNode));
 
@@ skipping 180 matching lines @@
 }
 
 const std::string& RenderViewImpl::GetAcceptLanguages() const {
   return renderer_preferences_.accept_languages;
 }
 
 void RenderViewImpl::convertViewportToWindow(blink::WebRect* rect) {
   RenderWidget::convertViewportToWindow(rect);
 }
 
+void RenderViewImpl::convertViewportToWindow(blink::WebFloatRect* rect) {
+  RenderWidget::convertViewportToWindow(rect);
+}
+
+void RenderViewImpl::getElementBoundingBoxWindow(
+    blink::WebElement* element, blink::WebFloatRect* rect) {
+  *rect = element->boundsInViewportFloat();
+  convertViewportToWindow(rect);
+}
+
 void RenderViewImpl::didChangeIcon(WebLocalFrame* frame,
                                    WebIconURL::Type icon_type) {
   if (frame->parent())
     return;
 
   WebVector<WebIconURL> icon_urls = frame->iconURLs(icon_type);
   std::vector<FaviconURL> urls;
   for (size_t i = 0; i < icon_urls.size(); i++) {
     std::vector<gfx::Size> sizes;
     ConvertToFaviconSizes(icon_urls[i].sizes(), &sizes);
@@ skipping 1565 matching lines @@
   if (IsUseZoomForDSFEnabled()) {
     compositor_->SetPaintedDeviceScaleFactor(device_scale_factor_);
     webview()->setZoomFactorForDeviceScaleFactor(
         device_scale_factor_);
   } else {
     webview()->setDeviceScaleFactor(device_scale_factor_);
   }
 }
 
 }  // namespace content