Phase out BrowserList::empty() and BrowserList::size().

chrome/browser/chromeos/memory/oom_priority_manager.cc

Index: chrome/browser/chromeos/memory/oom_priority_manager.cc
diff --git a/chrome/browser/chromeos/memory/oom_priority_manager.cc b/chrome/browser/chromeos/memory/oom_priority_manager.cc
index a0ca959c82b19c86bf7b5bdc0646d82404a22f72..322529924859f66b1d7a0b13c56d48d893d4e65a 100644
--- a/chrome/browser/chromeos/memory/oom_priority_manager.cc
+++ b/chrome/browser/chromeos/memory/oom_priority_manager.cc
@@ -28,7 +28,8 @@
 #include "chrome/browser/memory_details.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_iterator.h"
-#include "chrome/browser/ui/browser_list.h"
+#include "chrome/browser/ui/browser_list_impl.h"
+#include "chrome/browser/ui/host_desktop.h"
 #include "chrome/browser/ui/tab_contents/tab_contents_iterator.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/common/chrome_constants.h"
@@ -528,8 +529,10 @@ void OomPriorityManager::Observe(int type,
 // 2) last time a tab was selected
 // 3) is the tab currently selected
 void OomPriorityManager::AdjustOomPriorities() {
-  if (BrowserList::size() == 0)
+  if (chrome::BrowserListImpl::GetInstance(
+          chrome::HOST_DESKTOP_TYPE_ASH)->empty()) {
     return;
+  }
 
   // Check for a discontinuity in time caused by the machine being suspended.
   if (!last_adjust_time_.is_null()) {
@@ -556,9 +559,11 @@ OomPriorityManager::TabStatsList OomPriorityManager::GetTabStatsOnUIThread() {
   TabStatsList stats_list;
   stats_list.reserve(32);  // 99% of users have < 30 tabs open
   bool browser_active = true;
-  for (BrowserList::const_reverse_iterator browser_iterator =
-           BrowserList::begin_last_active();
-       browser_iterator != BrowserList::end_last_active();
+  const chrome::BrowserListImpl* ash_browser_list =
+      chrome::BrowserListImpl::GetInstance(chrome::HOST_DESKTOP_TYPE_ASH);
+  for (chrome::BrowserListImpl::const_reverse_iterator browser_iterator =
+           ash_browser_list->begin_last_active();
+       browser_iterator != ash_browser_list->end_last_active();
        ++browser_iterator) {
     Browser* browser = *browser_iterator;
     bool is_browser_for_app = browser->is_app();