Re-land "Replace CPDF_Rect and CPDF_Point with CFX types."

fpdfsdk/src/pdfwindow/PWL_SpecialButton.cpp

Index: fpdfsdk/src/pdfwindow/PWL_SpecialButton.cpp
diff --git a/fpdfsdk/src/pdfwindow/PWL_SpecialButton.cpp b/fpdfsdk/src/pdfwindow/PWL_SpecialButton.cpp
index 52f25fcd84b0b99407ae8ebddcf012967552c1c2..44c3ec8a9472b2fb35212abc725ed14fbe380bd3 100644
--- a/fpdfsdk/src/pdfwindow/PWL_SpecialButton.cpp
+++ b/fpdfsdk/src/pdfwindow/PWL_SpecialButton.cpp
@@ -17,7 +17,7 @@ CFX_ByteString CPWL_PushButton::GetClassName() const {
   return "CPWL_PushButton";
 }
 
-CPDF_Rect CPWL_PushButton::GetFocusRect() const {
+CFX_FloatRect CPWL_PushButton::GetFocusRect() const {
   return CPWL_Utils::DeflateRect(GetWindowRect(), (FX_FLOAT)GetBorderWidth());
 }
 
@@ -37,7 +37,8 @@ FX_BOOL CPWL_CheckBox::IsChecked() const {
   return m_bChecked;
 }
 
-FX_BOOL CPWL_CheckBox::OnLButtonUp(const CPDF_Point& point, FX_DWORD nFlag) {
+FX_BOOL CPWL_CheckBox::OnLButtonUp(const CFX_FloatPoint& point,
+                                   FX_DWORD nFlag) {
   if (IsReadOnly())
     return FALSE;
 
@@ -58,7 +59,8 @@ CFX_ByteString CPWL_RadioButton::GetClassName() const {
   return "CPWL_RadioButton";
 }
 
-FX_BOOL CPWL_RadioButton::OnLButtonUp(const CPDF_Point& point, FX_DWORD nFlag) {
+FX_BOOL CPWL_RadioButton::OnLButtonUp(const CFX_FloatPoint& point,
+                                      FX_DWORD nFlag) {
   if (IsReadOnly())
     return FALSE;