[StorageMonitor] Move StorageMonitor ownership to BrowserProcessImpl

chrome/browser/browser_process.h

Index: chrome/browser/browser_process.h
diff --git a/chrome/browser/browser_process.h b/chrome/browser/browser_process.h
index 0824b1c02c08bb16af0498a688e203a6617942c5..ca828e93b4e7a738861fe2794990ec94245ec22c 100644
--- a/chrome/browser/browser_process.h
+++ b/chrome/browser/browser_process.h
@@ -47,6 +47,7 @@ class WebRtcLogUploader;
 
 namespace chrome {
 class MediaFileSystemRegistry;
+class StorageMonitor;
 }
 
 namespace chrome_variations {
@@ -217,6 +218,8 @@ class BrowserProcess {
 
   virtual chrome::MediaFileSystemRegistry* media_file_system_registry() = 0;
 
+  virtual chrome::StorageMonitor* storage_monitor() = 0;
+
   virtual bool created_local_state() const = 0;
 
 #if defined(ENABLE_WEBRTC)