Move StringPiece into the base namespace. It is colliding

webkit/tools/test_shell/test_shell.h

 /*
  * Copyright (C) 2006 Apple Computer, Inc.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 29 matching lines @@
 #include "webkit/tools/test_shell/event_sending_controller.h"
 #include "webkit/tools/test_shell/layout_test_controller.h"
 #include "webkit/tools/test_shell/text_input_controller.h"
 #include "webkit/tools/test_shell/test_webview_delegate.h"
 #include "webkit/tools/test_shell/webview_host.h"
 #include "webkit/tools/test_shell/webwidget_host.h"
 
 typedef std::list<gfx::NativeWindow> WindowList;
 
 struct WebPreferences;
-class StringPiece;
 class TestNavigationEntry;
 class TestNavigationController;
 
+namespace base {
+class StringPiece;
+}
+
 class TestShell {
 public:
     struct TestParams {
       // Load the test defaults.
       TestParams() : dump_tree(true), dump_pixels(false) {
       }
 
       // The kind of output we want from this test.
       bool dump_tree;
       bool dump_pixels;
@@ skipping 197 matching lines @@
 
 #if defined(OS_MACOSX)
     // handle cleaning up a shell given the associated window
     static void DestroyAssociatedShell(gfx::NativeWindow handle);
 #endif
 
     // Show the "attach to me" dialog, for debugging test shell startup.
     static void ShowStartupDebuggingDialog();
 
     // This is called indirectly by the network layer to access resources.
-    static StringPiece NetResourceProvider(int key);
+    static base::StringPiece NetResourceProvider(int key);
 
 protected:
     bool Initialize(const GURL& starting_url);
     bool IsSVGTestURL(const GURL& url);
     void SizeToSVG();
     void SizeToDefault();
     void SizeTo(int width, int height);
     void ResizeSubViews();
 
     // Set the focus in interactive mode (pass through to relevant system call).
@@ skipping 64 matching lines @@
 #if defined(OS_WIN)
     // Used by the watchdog to know when it's finished.
     HANDLE finished_event_;
 #endif
 
     // Dump the stats table counters on exit.
     bool dump_stats_table_on_exit_;
 };
 
 #endif // WEBKIT_TOOLS_TEST_SHELL_TEST_SHELL_H_