Expose RTF content on the clipboard as strings to pages when pasting.

content/public/test/browser_test_utils.h

Index: content/public/test/browser_test_utils.h
diff --git a/content/public/test/browser_test_utils.h b/content/public/test/browser_test_utils.h
index 3793c111e9576324556645af177e513727a7d430..411c4c79c36d8087bf05eafff9d114f5a2b8782c 100644
--- a/content/public/test/browser_test_utils.h
+++ b/content/public/test/browser_test_utils.h
@@ -553,6 +553,32 @@ class InputMsgWatcher : public BrowserMessageFilter {
   DISALLOW_COPY_AND_ASSIGN(InputMsgWatcher);
 };
 
+// A proxy for ui::TestClipboard for use in browser tests. On Windows,
+// clipboard is handled on the IO thread. BrowserTestClipboard
+// hops messages onto the right thread.
+class BrowserTestClipboard {
+ public:
+  BrowserTestClipboard();
+  ~BrowserTestClipboard();
+
+  void SetUp();
+  void TearDown();
+
+  // Puts text/rtf |rtf| on the clipboard.
+  void SetRtf(const std::string& rtf);
+
+  // Puts plain text |text| on the clipboard.
+  void SetText(const std::string& text);
+
+ private:
+  void RunTaskOnIOThreadAndWait(const base::Closure&);
+  void RunTask(const base::Closure& task, base::WaitableEvent* completion);
+
+  bool is_installed_;
+
+  DISALLOW_COPY_AND_ASSIGN(BrowserTestClipboard);
+};
+
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_TEST_BROWSER_TEST_UTILS_H_