Modified the flash cipboard interface to add html clipboard support.

ppapi/tests/test_flash_clipboard.h

Index: ppapi/tests/test_flash_clipboard.h
diff --git a/ppapi/tests/test_flash_clipboard.h b/ppapi/tests/test_flash_clipboard.h
index 06d3781d89f23a704d47eeabfdb7245091d1c7b4..ec8c975cb4792fb17de082b1098124b8fac702f9 100644
--- a/ppapi/tests/test_flash_clipboard.h
+++ b/ppapi/tests/test_flash_clipboard.h
@@ -20,7 +20,18 @@ class TestFlashClipboard : public TestCase {
   virtual void RunTests(const std::string& filter);
 
  private:
-  std::string TestReadWrite();
+  // Helpers.
+  PP_Bool IsFormatAvailable(PP_Flash_Clipboard_Format format);
+  std::string ReadStringVar(PP_Flash_Clipboard_Format format);
+  int32_t WriteStringVar(PP_Flash_Clipboard_Format format,
+                         const std::string& input);
+  bool ReadAndMatchPlainText(const std::string& input);
+  bool ReadAndMatchHTML(const std::string& input);
+
+  // Tests.
+  std::string TestReadWritePlainText();
+  std::string TestReadWriteHTML();
+  std::string TestReadWriteMultipleFormats();
 
   const PPB_Flash_Clipboard* clipboard_interface_;
 };