Coverity: Initialize member variables.

ui/gfx/render_text_win.cc

 // Copyright (c) 2011 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 "ui/gfx/render_text_win.h"
 
 #include <algorithm>
 
 #include "base/logging.h"
 #include "base/stl_util.h"
@@ skipping 78 matching lines @@
 
 namespace internal {
 
 TextRun::TextRun()
   : strike(false),
     underline(false),
     width(0),
     preceding_run_widths(0),
     glyph_count(0),
     script_cache(NULL) {
+  memset(&script_analysis, 0, sizeof(script_analysis));
+  memset(&abc_widths, 0, sizeof(abc_widths));
 }
 
 TextRun::~TextRun() {
   ScriptFreeCache(&script_cache);
 }
 
 }  // namespace internal
 
 RenderTextWin::RenderTextWin()
     : RenderText(),
@@ skipping 633 matching lines @@
   internal::TextRun* next = runs_[visual_to_logical_[visual_index + 1]];
   return next->script_analysis.fRTL ? LastSelectionModelInsideRun(next) :
                                       FirstSelectionModelInsideRun(next);
 }
 
 RenderText* RenderText::CreateRenderText() {
   return new RenderTextWin;
 }
 
 }  // namespace gfx