Move StringPiece into the base namespace. It is colliding

app/resource_bundle_linux.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 <gtk/gtk.h>
 
 #include "app/app_paths.h"
 #include "app/gfx/font.h"
@@ skipping 103 matching lines @@
   theme_data_path = theme_data_path.Append(FILE_PATH_LITERAL("default.pak"));
   theme_data_ = new base::DataPack;
   bool success = theme_data_->Load(theme_data_path);
   DCHECK(success) << "failed to load theme data";
 }
 
 /* static */
 bool ResourceBundle::LoadResourceBytes(DataHandle module, int resource_id,
                                        std::vector<unsigned char>* bytes) {
   DCHECK(module);
-  StringPiece data;
+  base::StringPiece data;
   if (!module->Get(resource_id, &data))
     return false;
 
   bytes->resize(data.length());
   memcpy(&(bytes->front()), data.data(), data.length());
 
   return true;
 }
 
-StringPiece ResourceBundle::GetRawDataResource(int resource_id) {
+base::StringPiece ResourceBundle::GetRawDataResource(int resource_id) {
   DCHECK(resources_data_);
-  StringPiece data;
+  base::StringPiece data;
   if (!resources_data_->Get(resource_id, &data))
-    return StringPiece();
+    return base::StringPiece();
   return data;
 }
 
 string16 ResourceBundle::GetLocalizedString(int message_id) {
   // If for some reason we were unable to load a resource dll, return an empty
   // string (better than crashing).
   if (!locale_resources_data_) {
     LOG(WARNING) << "locale resources are not loaded";
     return string16();
   }
 
-  StringPiece data;
+  base::StringPiece data;
   if (!locale_resources_data_->Get(message_id, &data)) {
     // Fall back on the main data pack (shouldn't be any strings here except in
     // unittests).
     data = GetRawDataResource(message_id);
     if (data.empty()) {
       NOTREACHED() << "unable to find resource: " << message_id;
       return string16();
     }
   }
 
@@ skipping 54 matching lines @@
   }
 }
 
 GdkPixbuf* ResourceBundle::GetPixbufNamed(int resource_id) {
   return GetPixbufImpl(resource_id, false);
 }
 
 GdkPixbuf* ResourceBundle::GetRTLEnabledPixbufNamed(int resource_id) {
   return GetPixbufImpl(resource_id, true);
 }