Remove unused variable in pdfium_engine.

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 <stddef.h>
 #include <stdint.h>
 
@@ skipping 1688 matching lines @@
     }
 
     if (page_index != -1) {
       double page_x, page_y;
       pp::Point point = event.GetPosition();
       DeviceToPage(page_index, point.x(), point.y(), &page_x, &page_y);
       FORM_OnMouseMove(form_, pages_[page_index]->GetPage(), 0, page_x, page_y);
     }
 
     client_->UpdateCursor(cursor);
-    pp::Point point = event.GetPosition();
     std::string url = GetLinkAtPosition(event.GetPosition());
     if (url != link_under_cursor_) {
       link_under_cursor_ = url;
       pp::PDF::SetLinkUnderCursor(GetPluginInstance(), url.c_str());
     }
     // No need to swallow the event, since this might interfere with the
     // scrollbars if the user is dragging them.
     return false;
   }
 
@@ skipping 2174 matching lines @@
   FPDF_DOCUMENT doc =
       FPDF_LoadMemDocument(pdf_buffer, pdf_buffer_size, nullptr);
   if (!doc)
     return false;
   bool success = FPDF_GetPageSizeByIndex(doc, page_number, width, height) != 0;
   FPDF_CloseDocument(doc);
   return success;
 }
 
 }  // namespace chrome_pdf