Correct typo in form fill environment functions

pdf/pdfium/pdfium_engine.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "pdf/pdfium/pdfium_engine.h"
 
 #include <math.h>
 
 #include "base/json/json_writer.h"
 #include "base/logging.h"
@@ skipping 637 matching lines @@
 PDFiumEngine::~PDFiumEngine() {
   for (size_t i = 0; i < pages_.size(); ++i)
     pages_[i]->Unload();
 
   if (doc_) {
     if (form_) {
       FORM_DoDocumentAAction(form_, FPDFDOC_AACTION_WC);
     }
     FPDF_CloseDocument(doc_);
     if (form_) {
-      FPDFDOC_ExitFormFillEnviroument(form_);
+      FPDFDOC_ExitFormFillEnvironment(form_);
     }
   }
 
   if (fpdf_availability_)
     FPDFAvail_Destroy(fpdf_availability_);
 
   STLDeleteElements(&pages_);
 }
 
 #ifdef PDF_USE_XFA
@@ skipping 1864 matching lines @@
   permissions_ = FPDF_GetDocPermissions(doc_);
 
   if (!form_) {
     // Only returns 0 when data isn't available.  If form data is downloaded, or
     // if this isn't a form, returns positive values.
     if (!doc_loader_.IsDocumentComplete() &&
         !FPDFAvail_IsFormAvail(fpdf_availability_, &download_hints_)) {
       return;
     }
 
-    form_ = FPDFDOC_InitFormFillEnviroument(
+    form_ = FPDFDOC_InitFormFillEnvironment(
         doc_, static_cast<FPDF_FORMFILLINFO*>(this));
 #ifdef PDF_USE_XFA
     FPDF_LoadXFA(doc_);
 #endif
 
     FPDF_SetFormFieldHighlightColor(form_, 0, kFormHighlightColor);
     FPDF_SetFormFieldHighlightAlpha(form_, kFormHighlightAlpha);
   }
 
   if (!doc_loader_.IsDocumentComplete()) {
@@ skipping 1338 matching lines @@
     double* height) {
   FPDF_DOCUMENT doc = FPDF_LoadMemDocument(pdf_buffer, pdf_buffer_size, NULL);
   if (!doc)
     return false;
   bool success = FPDF_GetPageSizeByIndex(doc, page_number, width, height) != 0;
   FPDF_CloseDocument(doc);
   return success;
 }
 
 }  // namespace chrome_pdf