Remove //chrome as an embedder of blimp.

chrome/browser/android/preferences/browser_prefs_android.cc

Index: chrome/browser/android/preferences/browser_prefs_android.cc
diff --git a/chrome/browser/android/preferences/browser_prefs_android.cc b/chrome/browser/android/preferences/browser_prefs_android.cc
index e781019047c1bae52e2b560971ede0bdeed3df9f..f289e7f9f7c7908883eb0bc780ca22e9dac0426c 100644
--- a/chrome/browser/android/preferences/browser_prefs_android.cc
+++ b/chrome/browser/android/preferences/browser_prefs_android.cc
@@ -4,7 +4,6 @@
 
 #include "chrome/browser/android/preferences/browser_prefs_android.h"
 
-#include "blimp/client/public/blimp_client_context.h"
 #include "chrome/browser/android/search_geolocation/search_geolocation_disclosure_tab_helper.h"
 #include "chrome/browser/notifications/notification_platform_bridge_android.h"
 #include "components/pref_registry/pref_registry_syncable.h"
@@ -15,7 +14,6 @@ namespace android {
 void RegisterUserProfilePrefs(user_prefs::PrefRegistrySyncable* registry) {
   NotificationPlatformBridgeAndroid::RegisterProfilePrefs(registry);
   SearchGeolocationDisclosureTabHelper::RegisterProfilePrefs(registry);
-  blimp::client::BlimpClientContext::RegisterPrefs(registry);
 }
 
 }  // namespace android