Move StringPiece into the base namespace. It is colliding

app/resource_bundle_win.cc

 // Copyright (c) 2006-2008 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 "app/resource_bundle.h"
 
 #include <atlbase.h>
 
 #include "app/app_paths.h"
 #include "app/gfx/font.h"
@@ skipping 87 matching lines @@
     return true;
   } else {
     return false;
   }
 }
 
 HICON ResourceBundle::LoadThemeIcon(int icon_id) {
   return ::LoadIcon(theme_data_, MAKEINTRESOURCE(icon_id));
 }
 
-StringPiece ResourceBundle::GetRawDataResource(int resource_id) {
+base::StringPiece ResourceBundle::GetRawDataResource(int resource_id) {
   void* data_ptr;
   size_t data_size;
   if (base::GetDataResourceFromModule(_AtlBaseModule.GetModuleInstance(),
                                       resource_id,
                                       &data_ptr,
                                       &data_size)) {
-    return StringPiece(static_cast<const char*>(data_ptr), data_size);
+    return base::StringPiece(static_cast<const char*>(data_ptr), data_size);
   } else if (locale_resources_data_ &&
              base::GetDataResourceFromModule(locale_resources_data_,
                                              resource_id,
                                              &data_ptr,
                                              &data_size)) {
-    return StringPiece(static_cast<const char*>(data_ptr), data_size);
+    return base::StringPiece(static_cast<const char*>(data_ptr), data_size);
   }
-  return StringPiece();
+  return base::StringPiece();
 }
 
 // Loads and returns a cursor from the current module.
 HCURSOR ResourceBundle::LoadCursor(int cursor_id) {
   return ::LoadCursor(_AtlBaseModule.GetModuleInstance(),
                       MAKEINTRESOURCE(cursor_id));
 }
 
 string16 ResourceBundle::GetLocalizedString(int message_id) {
   // If for some reason we were unable to load a resource dll, return an empty
@@ skipping 15 matching lines @@
     image = AtlGetStringResourceImage(_AtlBaseModule.GetModuleInstance(),
                                       message_id);
     if (!image) {
       NOTREACHED() << "unable to find resource: " << message_id;
       return std::wstring();
     }
   }
   // Copy into a string16 and return.
   return string16(image->achString, image->nLength);
 }