Remove NOTIMPLEMENTED() logspam on Android clipboard actions

ui/base/test/test_clipboard.cc

Index: ui/base/test/test_clipboard.cc
diff --git a/ui/base/test/test_clipboard.cc b/ui/base/test/test_clipboard.cc
index e90296145c667d416b8b0d2815204732ff94c955..530037d2ff75fceb192199680ee975a70012b219 100644
--- a/ui/base/test/test_clipboard.cc
+++ b/ui/base/test/test_clipboard.cc
@@ -42,6 +42,18 @@ void TestClipboard::Clear(ClipboardType type) {
 void TestClipboard::ReadAvailableTypes(ClipboardType type,
                                        std::vector<base::string16>* types,
                                        bool* contains_filenames) const {
+  types->clear();
+
+  if (IsFormatAvailable(Clipboard::GetPlainTextFormatType(), type))
+    types->push_back(base::UTF8ToUTF16(kMimeTypeText));
+  if (IsFormatAvailable(Clipboard::GetHtmlFormatType(), type))
+    types->push_back(base::UTF8ToUTF16(kMimeTypeHTML));
+
+  if (IsFormatAvailable(Clipboard::GetRtfFormatType(), type))
+    types->push_back(base::UTF8ToUTF16(kMimeTypeRTF));
+  if (IsFormatAvailable(Clipboard::GetBitmapFormatType(), type))
+    types->push_back(base::UTF8ToUTF16(kMimeTypePNG));
+
   *contains_filenames = false;
 }