Revert 166704 - Convert PrefChangeRegistrar usages, batch 1.

TBR=mmenke@chromium.org,rickcam@chromium.org,dhollowa@chromium.org
BUG=155525,160177

Review URL: https://chromiumcodereview.appspot.com/11376003

Speculative revert to check if memory usage increase was caused by
this change and its parent change.

TBR=joi@chromium.org
Review URL: https://codereview.chromium.org/11366170

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@166885 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 7 insertions, 1 deletions

diff --git a/chrome/browser/browser_process_impl.h b/chrome/browser/browser_process_impl.h
index 8f127f2..5f18e62 100644
--- a/chrome/browser/browser_process_impl.h
+++ b/chrome/browser/browser_process_impl.h
@@ -17,6 +17,7 @@
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/prefs/public/pref_change_registrar.h"
+#include "base/prefs/public/pref_observer.h"
 #include "base/threading/non_thread_safe.h"
 #include "base/timer.h"
 #include "chrome/browser/browser_process.h"
@@ -41,7 +42,8 @@ class PolicyService;
 
 // Real implementation of BrowserProcess that creates and returns the services.
 class BrowserProcessImpl : public BrowserProcess,
-                           public base::NonThreadSafe {
+                           public base::NonThreadSafe,
+                           public PrefObserver {
  public:
   // |local_state_task_runner| must be a shutdown-blocking task runner.
   BrowserProcessImpl(base::SequencedTaskRunner* local_state_task_runner,
@@ -118,6 +120,10 @@ class BrowserProcessImpl : public BrowserProcess,
   virtual CRLSetFetcher* crl_set_fetcher() OVERRIDE;
   virtual BookmarkPromptController* bookmark_prompt_controller() OVERRIDE;
 
+  // PrefObserver implementation.
+  virtual void OnPreferenceChanged(PrefServiceBase* service,
+                                   const std::string& pref_name) OVERRIDE;
+
  private:
   void CreateMetricsService();
   void CreateWatchdogThread();