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

content/renderer/pepper/pepper_plugin_instance_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/pepper/pepper_plugin_instance_impl.h"
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/location.h"
 #include "base/logging.h"
@@ skipping 1061 matching lines @@
 
 bool PepperPluginInstanceImpl::HandleInputEvent(
     const blink::WebInputEvent& event,
     WebCursorInfo* cursor_info) {
   TRACE_EVENT0("ppapi", "PepperPluginInstanceImpl::HandleInputEvent");
 
   if (!has_been_clicked_ && is_flash_plugin_ &&
       event.type == blink::WebInputEvent::MouseDown &&
       (event.modifiers & blink::WebInputEvent::LeftButtonDown)) {
     has_been_clicked_ = true;
-    blink::WebRect bounds = container()->element().boundsInViewport();
+    blink::WebRect bounds = container()->element().boundsInViewportInt();
     RecordFlashClickSizeMetric(bounds.width, bounds.height);
   }
 
   if (throttler_ && throttler_->ConsumeInputEvent(event))
     return true;
 
   if (!render_frame_)
     return false;
   if (WebInputEvent::isMouseEventType(event.type)) {
     render_frame_->PepperDidReceiveMouseEvent(this);
@@ skipping 2181 matching lines @@
 
 void PepperPluginInstanceImpl::RecordFlashJavaScriptUse() {
   if (initialized_ && !javascript_used_ && is_flash_plugin_) {
     javascript_used_ = true;
     RenderThread::Get()->RecordAction(
         base::UserMetricsAction("Flash.JavaScriptUsed"));
   }
 }
 
 }  // namespace content