Remove NOTIMPLEMENTED() logspam on Android clipboard actions

ui/base/test/test_clipboard.cc

 // Copyright 2014 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 "ui/base/test/test_clipboard.h"
 
 #include <stddef.h>
 #include "base/numerics/safe_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 
@@ skipping 24 matching lines @@
   return store.data.find(format) != store.data.end();
 }
 
 void TestClipboard::Clear(ClipboardType type) {
   GetStore(type).Clear();
 }
 
 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;
 }
 
 void TestClipboard::ReadText(ClipboardType type, base::string16* result) const {
   std::string result8;
   ReadAsciiText(type, &result8);
   *result = base::UTF8ToUTF16(result8);
 }
 
 void TestClipboard::ReadAsciiText(ClipboardType type,
@@ skipping 140 matching lines @@
 
 const TestClipboard::DataStore& TestClipboard::GetDefaultStore() const {
   return GetStore(default_store_type_);
 }
 
 TestClipboard::DataStore& TestClipboard::GetDefaultStore() {
   return GetStore(default_store_type_);
 }
 
 }  // namespace ui