clang-format all pdfium code.

public/fpdf_searchex.h

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #ifndef PUBLIC_FPDF_SEARCHEX_H_
 #define PUBLIC_FPDF_SEARCHEX_H_
 
 #include "fpdfview.h"
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 // Function: FPDFText_GetCharIndexFromTextIndex
 //      Get the actually char index in text_page's internal char list.
 // Parameters:
-//          text_page   -   Handle to a text page information structure. Returned by FPDFText_LoadPage function.
-//          nTextIndex  -   The index of the text in the string get from FPDFText_GetText.
+//          text_page   -   Handle to a text page information structure.
+//          Returned by FPDFText_LoadPage function.
+//          nTextIndex  -   The index of the text in the string get from
+//          FPDFText_GetText.
 //  Return value:
 //          The index of the character in internal charlist. -1 for error.
-DLLEXPORT int STDCALL  FPDFText_GetCharIndexFromTextIndex(FPDF_TEXTPAGE text_page, int nTextIndex);
+DLLEXPORT int STDCALL
+FPDFText_GetCharIndexFromTextIndex(FPDF_TEXTPAGE text_page, int nTextIndex);
 
 #ifdef __cplusplus
 }
 #endif
 
 #endif  // PUBLIC_FPDF_SEARCHEX_H_