Update the remaining include paths of base/string_piece.h to its new location.

webkit/glue/webkit_glue.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 "webkit/glue/webkit_glue.h"
 
 #if defined(OS_WIN)
 #include <mlang.h>
 #include <objidl.h>
 #elif defined(OS_POSIX) && !defined(OS_MACOSX)
 #include <sys/utsname.h>
 #endif
 
 #if defined(OS_LINUX)
 #include <malloc.h>
 #endif
 
 #include <limits>
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/path_service.h"
 #include "base/process_util.h"
-#include "base/string_piece.h"
 #include "base/string_util.h"
 #include "base/stringprintf.h"
+#include "base/strings/string_piece.h"
 #include "base/strings/string_tokenizer.h"
 #include "base/sys_info.h"
 #include "base/utf_string_conversions.h"
 #include "net/base/escape.h"
 #include "net/url_request/url_request.h"
 #include "skia/ext/platform_canvas.h"
 #if defined(OS_MACOSX)
 #include "skia/ext/skia_utils_mac.h"
 #endif
 #include "third_party/WebKit/Source/Platform/chromium/public/WebData.h"
@@ skipping 329 matching lines @@
           base::GetCurrentProcessHandle()));
   return process_metrics->GetPagefileUsage() >> 10;
 }
 #endif
 
 double ZoomFactorToZoomLevel(double factor) {
   return WebView::zoomFactorToZoomLevel(factor);
 }
 
 } // namespace webkit_glue