Regularize ownerships and lifecycle for storage monitor platform classes.

chrome/browser/chrome_browser_main_mac.mm

Index: chrome/browser/chrome_browser_main_mac.mm
diff --git a/chrome/browser/chrome_browser_main_mac.mm b/chrome/browser/chrome_browser_main_mac.mm
index 31613dac8de6bb20a280151086843ce2c1d86aeb..cd32ec47dd20d2e0096196d5408c99536f2aa5b5 100644
--- a/chrome/browser/chrome_browser_main_mac.mm
+++ b/chrome/browser/chrome_browser_main_mac.mm
@@ -22,7 +22,6 @@
 #include "chrome/browser/mac/keychain_reauthorize.h"
 #import "chrome/browser/mac/keystone_glue.h"
 #include "chrome/browser/metrics/metrics_service.h"
-#include "chrome/browser/storage_monitor/image_capture_device_manager.h"
 #include "chrome/browser/storage_monitor/storage_monitor_mac.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_switches.h"
@@ -283,16 +282,16 @@ void ChromeBrowserMainPartsMac::PreMainMessageLoopStart() {
 
 void ChromeBrowserMainPartsMac::PreProfileInit() {
   storage_monitor_ = new chrome::StorageMonitorMac();
-  // TODO(gbillock): Make the ImageCapture manager owned by StorageMonitorMac.
-  if (base::mac::IsOSLionOrLater()) {
-    image_capture_device_manager_.reset(new chrome::ImageCaptureDeviceManager);
-    image_capture_device_manager_->SetNotifications(
-        storage_monitor_->receiver());
-  }
 
   ChromeBrowserMainPartsPosix::PreProfileInit();
 }
 
+void ChromeBrowserMainPartsMac::PostProfileInit() {
+  storage_monitor_->Init();
+
+  ChromeBrowserMainPartsPosix::PostProfileInit();
+}
+
 void ChromeBrowserMainPartsMac::DidEndMainMessageLoop() {
   AppController* appController = [NSApp delegate];
   [appController didEndMainMessageLoop];