Change how ui::Clipboard is accessed so there's only one per thread.

chrome/browser/browser_process_impl.cc

Index: chrome/browser/browser_process_impl.cc
diff --git a/chrome/browser/browser_process_impl.cc b/chrome/browser/browser_process_impl.cc
index 3b644e81fe7030ae5d0b0d3fd274d4a5ac0fcb3e..bf4672cba34dd3e6c83210234286f6dd7f39b3d9 100644
--- a/chrome/browser/browser_process_impl.cc
+++ b/chrome/browser/browser_process_impl.cc
@@ -78,7 +78,6 @@
 #include "content/public/common/pepper_plugin_info.h"
 #include "net/socket/client_socket_pool_manager.h"
 #include "net/url_request/url_request_context_getter.h"
-#include "ui/base/clipboard/clipboard.h"
 #include "ui/base/l10n/l10n_util.h"
 
 #if !defined(ENABLE_CONFIGURATION_POLICY)
@@ -141,7 +140,6 @@ BrowserProcessImpl::BrowserProcessImpl(const CommandLine& command_line)
       thumbnail_generator_(new ThumbnailGenerator),
       download_status_updater_(new DownloadStatusUpdater) {
   g_browser_process = this;
-  clipboard_.reset(new ui::Clipboard);
 
 #if defined(ENABLE_PRINTING)
   // Must be created after the NotificationService.
@@ -387,11 +385,6 @@ PrefService* BrowserProcessImpl::local_state() {
   return local_state_.get();
 }
 
-ui::Clipboard* BrowserProcessImpl::clipboard() {
-  DCHECK(CalledOnValidThread());
-  return clipboard_.get();
-}
-
 net::URLRequestContextGetter* BrowserProcessImpl::system_request_context() {
   DCHECK(CalledOnValidThread());
   return io_thread()->system_url_request_context_getter();