clang-format all pdfium code.

fpdfsdk/include/formfiller/FFL_PushButton.h

Index: fpdfsdk/include/formfiller/FFL_PushButton.h
diff --git a/fpdfsdk/include/formfiller/FFL_PushButton.h b/fpdfsdk/include/formfiller/FFL_PushButton.h
index 3cfaefb9bdfbf2f07cd94cee945d32c5b6767aa2..5c4819400de82ad873f839ce3dc3b218cb2064a1 100644
--- a/fpdfsdk/include/formfiller/FFL_PushButton.h
+++ b/fpdfsdk/include/formfiller/FFL_PushButton.h
@@ -9,18 +9,20 @@
 
 #include "FFL_FormFiller.h"
 
-class CFFL_PushButton : public CFFL_Button
-{
-public:
-	CFFL_PushButton(CPDFDoc_Environment* pApp, CPDFSDK_Annot* pAnnot);
-	virtual ~CFFL_PushButton();
+class CFFL_PushButton : public CFFL_Button {
+ public:
+  CFFL_PushButton(CPDFDoc_Environment* pApp, CPDFSDK_Annot* pAnnot);
+  virtual ~CFFL_PushButton();
 
-	virtual CPWL_Wnd*			NewPDFWindow(const PWL_CREATEPARAM& cp, CPDFSDK_PageView* pPageView);
+  virtual CPWL_Wnd* NewPDFWindow(const PWL_CREATEPARAM& cp,
+                                 CPDFSDK_PageView* pPageView);
 
-	virtual FX_BOOL				OnChar(CPDFSDK_Annot* pAnnot, FX_UINT nChar, FX_UINT nFlags);
-	virtual void				OnDraw(CPDFSDK_PageView *pPageView,  CPDFSDK_Annot* pAnnot,
-									CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device,
-									FX_DWORD dwFlags);
+  virtual FX_BOOL OnChar(CPDFSDK_Annot* pAnnot, FX_UINT nChar, FX_UINT nFlags);
+  virtual void OnDraw(CPDFSDK_PageView* pPageView,
+                      CPDFSDK_Annot* pAnnot,
+                      CFX_RenderDevice* pDevice,
+                      CPDF_Matrix* pUser2Device,
+                      FX_DWORD dwFlags);
 };
 
 #endif  // FPDFSDK_INCLUDE_FORMFILLER_FFL_PUSHBUTTON_H_