Regularize ownerships and lifecycle for storage monitor platform classes.

chrome/browser/chrome_browser_main_mac.h

Index: chrome/browser/chrome_browser_main_mac.h
diff --git a/chrome/browser/chrome_browser_main_mac.h b/chrome/browser/chrome_browser_main_mac.h
index f822012bad40b36cb6d972833daa962e1c8f9174..d3cb4841785ef94c2b50e4ef01313ab17fd586fa 100644
--- a/chrome/browser/chrome_browser_main_mac.h
+++ b/chrome/browser/chrome_browser_main_mac.h
@@ -9,7 +9,6 @@
 #include "base/memory/ref_counted.h"
 
 namespace chrome {
-class ImageCaptureDeviceManager;
 class StorageMonitorMac;
 }
 
@@ -23,6 +22,7 @@ class ChromeBrowserMainPartsMac : public ChromeBrowserMainPartsPosix {
   virtual void PreEarlyInitialization() OVERRIDE;
   virtual void PreMainMessageLoopStart() OVERRIDE;
   virtual void PreProfileInit() OVERRIDE;
+  virtual void PostProfileInit() OVERRIDE;
 
   // Perform platform-specific work that needs to be done after the main event
   // loop has ended. The embedder must be sure to call this.
@@ -31,8 +31,6 @@ class ChromeBrowserMainPartsMac : public ChromeBrowserMainPartsPosix {
  private:
   scoped_refptr<chrome::StorageMonitorMac> storage_monitor_;
 
-  scoped_ptr<chrome::ImageCaptureDeviceManager> image_capture_device_manager_;
-
   DISALLOW_COPY_AND_ASSIGN(ChromeBrowserMainPartsMac);
 };