No need to check return value from CXFA_Graphics::GetRenderDevice().

Consequence of https://pdfium-review.googlesource.com/c/pdfium/+/48512

Change-Id: Iaf943ee8f4d5a45f75c7515d00196ee4aa0bf1c6
Reviewed-on: https://pdfium-review.googlesource.com/c/48531
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>

xfa/fwl/cfwl_edit.cpp

diff --git a/xfa/fwl/cfwl_edit.cpp b/xfa/fwl/cfwl_edit.cpp
index c5aac8a..70ccd6d 100644
--- a/xfa/fwl/cfwl_edit.cpp
+++ b/xfa/fwl/cfwl_edit.cpp
@@ -402,9 +402,6 @@
   }
 
   CFX_RenderDevice* pRenderDev = pGraphics->GetRenderDevice();
-  if (!pRenderDev)
-    return;
-
   RenderText(pRenderDev, rtClip, mt);
 
   if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_CombText) {

xfa/fxfa/cxfa_fwltheme.cpp

diff --git a/xfa/fxfa/cxfa_fwltheme.cpp b/xfa/fxfa/cxfa_fwltheme.cpp
index 1270025..5cb5564 100644
--- a/xfa/fxfa/cxfa_fwltheme.cpp
+++ b/xfa/fxfa/cxfa_fwltheme.cpp
@@ -113,9 +113,6 @@
 
     CXFA_Graphics* pGraphics = pParams.m_pGraphics;
     CFX_RenderDevice* pRenderDevice = pGraphics->GetRenderDevice();
-    if (!pRenderDevice)
-      return;
-
     CFX_Matrix mtPart = pParams.m_matrix;
     const CFX_Matrix* pMatrix = pGraphics->GetMatrix();
     if (pMatrix)
@@ -133,9 +130,6 @@
   CXFA_Node* pNode = pWidget->GetNode();
   CXFA_Graphics* pGraphics = pParams.m_pGraphics;
   CFX_RenderDevice* pRenderDevice = pGraphics->GetRenderDevice();
-  if (!pRenderDevice)
-    return;
-
   m_pTextOut->SetStyles(pParams.m_dwTTOStyles);
   m_pTextOut->SetAlignment(pParams.m_iTTOAlign);
   m_pTextOut->SetFont(pNode->GetFDEFont(pWidget->GetDoc()));