Rename xfa_doclayout and xfa_document_layout_imp files.

xfa/fxfa/app/xfa_ffpageview.cpp

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #include "xfa/fxfa/include/xfa_ffpageview.h"
 
 #include "xfa/fde/fde_render.h"
 #include "xfa/fxfa/app/xfa_ffcheckbutton.h"
@@ skipping 103 matching lines @@
 CXFA_FFPageView::CXFA_FFPageView(CXFA_FFDocView* pDocView, CXFA_Node* pPageArea)
     : CXFA_ContainerLayoutItem(pPageArea), m_pDocView(pDocView) {}
 
 CXFA_FFPageView::~CXFA_FFPageView() {}
 
 CXFA_FFDocView* CXFA_FFPageView::GetDocView() const {
   return m_pDocView;
 }
 
 void CXFA_FFPageView::GetPageViewRect(CFX_RectF& rtPage) const {
-  CFX_SizeF sz;
-  GetPageSize(sz);
-  rtPage.Set(0, 0, sz);
+  rtPage.Set(0, 0, GetPageSize());
 }
+
 void CXFA_FFPageView::GetDisplayMatrix(CFX_Matrix& mt,
                                        const CFX_Rect& rtDisp,
                                        int32_t iRotate) const {
-  CFX_SizeF sz;
-  GetPageSize(sz);
+  CFX_SizeF sz = GetPageSize();
   CFX_RectF fdePage;
   fdePage.Set(0, 0, sz.x, sz.y);
   GetPageMatrix(mt, fdePage, rtDisp, iRotate, 0);
 }
 
 IXFA_WidgetIterator* CXFA_FFPageView::CreateWidgetIterator(
     uint32_t dwTraverseWay,
     uint32_t dwWidgetFilter) {
   switch (dwTraverseWay) {
     case XFA_TRAVERSEWAY_Tranvalse:
@@ skipping 304 matching lines @@
       pWidget->LoadWidget();
     }
     return pWidget;
   }
   return nullptr;
 }
 
 CXFA_TabParam::CXFA_TabParam() : m_pWidget(nullptr) {}
 
 CXFA_TabParam::~CXFA_TabParam() {}