Make code compile with clang_use_chrome_plugin (part III)

xfa/fxbarcode/common/BC_WhiteRectangleDetector.h

Index: xfa/fxbarcode/common/BC_WhiteRectangleDetector.h
diff --git a/xfa/fxbarcode/common/BC_WhiteRectangleDetector.h b/xfa/fxbarcode/common/BC_WhiteRectangleDetector.h
index f3ac77a9c0498275581e2e22f415f81a00fa30b1..427d7b85ca21d6a4aec421915d5a99c9a0d31627 100644
--- a/xfa/fxbarcode/common/BC_WhiteRectangleDetector.h
+++ b/xfa/fxbarcode/common/BC_WhiteRectangleDetector.h
@@ -14,18 +14,19 @@ class CBC_ResultPoint;
 
 class CBC_WhiteRectangleDetector {
  public:
-  CBC_WhiteRectangleDetector(CBC_CommonBitMatrix* image);
+  explicit CBC_WhiteRectangleDetector(CBC_CommonBitMatrix* image);
   CBC_WhiteRectangleDetector(CBC_CommonBitMatrix* image,
                              int32_t initSize,
                              int32_t x,
                              int32_t y);
   virtual ~CBC_WhiteRectangleDetector();
+
   virtual void Init(int32_t& e);
 
   CFX_ArrayTemplate<CBC_ResultPoint*>* Detect(int32_t& e);
 
  private:
-  int32_t Round(float d);
+  int32_t Round(FX_FLOAT d);
   CBC_ResultPoint* GetBlackPointOnSegment(FX_FLOAT aX,
                                           FX_FLOAT aY,
                                           FX_FLOAT bX,