Enable TabManager on Linux

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 0b2d2d4ccc9c74366d5f26a5fc44f2995f684b87..afa7579a9455483f15823db9aca358547949f48a 100644
--- a/chrome/browser/browser_process_impl.cc
+++ b/chrome/browser/browser_process_impl.cc
@@ -154,7 +154,7 @@
 #include "chrome/browser/media/webrtc_log_uploader.h"
 #endif
 
-#if defined(OS_WIN) || defined(OS_MACOSX) || defined(OS_CHROMEOS)
+#if defined(OS_WIN) || defined(OS_MACOSX) || defined(OS_LINUX)
 #include "chrome/browser/memory/tab_manager.h"
 #endif
 
@@ -743,7 +743,7 @@ gcm::GCMDriver* BrowserProcessImpl::gcm_driver() {
 
 memory::TabManager* BrowserProcessImpl::GetTabManager() {
   DCHECK(CalledOnValidThread());
-#if defined(OS_WIN) || defined(OS_MACOSX) || defined(OS_CHROMEOS)
+#if defined(OS_WIN) || defined(OS_MACOSX) || defined(OS_LINUX)
   if (!tab_manager_.get())
     tab_manager_.reset(new memory::TabManager());
   return tab_manager_.get();