Replace FX_FLOAT with underlying float type.

Change-Id: I158b7d80b0ec28b742a9f2d5a96f3dde7fb3ab56
Reviewed-on: https://pdfium-review.googlesource.com/3031
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Nicolás Peña <npm@chromium.org>
diff --git a/fpdfsdk/fpdftext.cpp b/fpdfsdk/fpdftext.cpp
index 0432afd..cbb682d 100644
--- a/fpdfsdk/fpdftext.cpp
+++ b/fpdfsdk/fpdftext.cpp
@@ -134,9 +134,9 @@
 
   CPDF_TextPage* textpage = CPDFTextPageFromFPDFTextPage(text_page);
   return textpage->GetIndexAtPos(
-      CFX_PointF(static_cast<FX_FLOAT>(x), static_cast<FX_FLOAT>(y)),
-      CFX_SizeF(static_cast<FX_FLOAT>(xTolerance),
-                static_cast<FX_FLOAT>(yTolerance)));
+      CFX_PointF(static_cast<float>(x), static_cast<float>(y)),
+      CFX_SizeF(static_cast<float>(xTolerance),
+                static_cast<float>(yTolerance)));
 }
 
 DLLEXPORT int STDCALL FPDFText_GetText(FPDF_TEXTPAGE text_page,
@@ -201,8 +201,7 @@
     return 0;
 
   CPDF_TextPage* textpage = CPDFTextPageFromFPDFTextPage(text_page);
-  CFX_FloatRect rect((FX_FLOAT)left, (FX_FLOAT)bottom, (FX_FLOAT)right,
-                     (FX_FLOAT)top);
+  CFX_FloatRect rect((float)left, (float)bottom, (float)right, (float)top);
   CFX_WideString str = textpage->GetTextByRect(rect);
 
   if (buflen <= 0 || !buffer)