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

TBR=thestig@chromium.org

Review URL: https://codereview.chromium.org/1737593006 .
diff --git a/fpdfsdk/src/fsdk_baseannot.cpp b/fpdfsdk/src/fsdk_baseannot.cpp
index 79418d9..705205f 100644
--- a/fpdfsdk/src/fsdk_baseannot.cpp
+++ b/fpdfsdk/src/fsdk_baseannot.cpp
@@ -537,15 +537,15 @@
   return m_pAnnot->GetAnnotDict();
 }
 
-void CPDFSDK_BAAnnot::SetRect(const CPDF_Rect& rect) {
+void CPDFSDK_BAAnnot::SetRect(const CFX_FloatRect& rect) {
   ASSERT(rect.right - rect.left >= GetMinWidth());
   ASSERT(rect.top - rect.bottom >= GetMinHeight());
 
   m_pAnnot->GetAnnotDict()->SetAtRect("Rect", rect);
 }
 
-CPDF_Rect CPDFSDK_BAAnnot::GetRect() const {
-  CPDF_Rect rect;
+CFX_FloatRect CPDFSDK_BAAnnot::GetRect() const {
+  CFX_FloatRect rect;
   m_pAnnot->GetRect(rect);
   return rect;
 }
@@ -835,7 +835,7 @@
 }
 
 void CPDFSDK_BAAnnot::WriteAppearance(const CFX_ByteString& sAPType,
-                                      const CPDF_Rect& rcBBox,
+                                      const CFX_FloatRect& rcBBox,
                                       const CFX_Matrix& matrix,
                                       const CFX_ByteString& sContents,
                                       const CFX_ByteString& sAPState) {