Add UMA statistics to the clipboard

ui/base/clipboard/clipboard_aurax11.cc

 // Copyright (c) 2012 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/clipboard/clipboard.h"
 
 #include <X11/extensions/Xfixes.h>
 #include <X11/Xatom.h>
 #include <list>
 #include <set>
@@ skipping 943 matching lines @@
       buffer,
       aurax11_details_->GetAtomsForFormat(GetWebCustomDataFormatType())));
   if (!data.get())
     return;
 
   ReadCustomDataTypes(data->data(), data->size(), types);
 }
 
 void Clipboard::ReadText(Buffer buffer, string16* result) const {
   DCHECK(CalledOnValidThread());
+  ReportAction(buffer, READ_TEXT);
 
   scoped_ptr<SelectionData> data(aurax11_details_->RequestAndWaitForTypes(
       buffer, aurax11_details_->GetTextAtoms()));
   if (data.get()) {
     std::string text = data->GetText();
     *result = UTF8ToUTF16(text);
   }
 }
 
 void Clipboard::ReadAsciiText(Buffer buffer, std::string* result) const {
   DCHECK(CalledOnValidThread());
+  ReportAction(buffer, READ_TEXT);
 
   scoped_ptr<SelectionData> data(aurax11_details_->RequestAndWaitForTypes(
       buffer, aurax11_details_->GetTextAtoms()));
   if (data.get())
     result->assign(data->GetText());
 }
 
 // TODO(estade): handle different charsets.
 // TODO(port): set *src_url.
 void Clipboard::ReadHTML(Buffer buffer,
@@ skipping 28 matching lines @@
   if (!markup->empty() && markup->at(markup->length() - 1) == '\0')
     markup->resize(markup->length() - 1);
 
   *fragment_start = 0;
   DCHECK(markup->length() <= kuint32max);
   *fragment_end = static_cast<uint32>(markup->length());
 }
 
 void Clipboard::ReadRTF(Buffer buffer, std::string* result) const {
   DCHECK(CalledOnValidThread());
+  ReportAction(buffer, READ_TEXT);
 
   scoped_ptr<SelectionData> data(aurax11_details_->RequestAndWaitForTypes(
       buffer, aurax11_details_->GetAtomsForFormat(GetRtfFormatType())));
   if (data.get())
     data->AssignTo(result);
 }
 
 SkBitmap Clipboard::ReadImage(Buffer buffer) const {
   DCHECK(CalledOnValidThread());
   NOTIMPLEMENTED();
@@ skipping 204 matching lines @@
   return type;
 }
 
 // static
 const Clipboard::FormatType& Clipboard::GetSourceTagFormatType() {
   CR_DEFINE_STATIC_LOCAL(FormatType, type, (kSourceTagType));
   return type;
 }
 
 }  // namespace ui