Add FilePath to base namespace.

chrome/browser/profiles/profile_info_cache_observer.h

Index: chrome/browser/profiles/profile_info_cache_observer.h
diff --git a/chrome/browser/profiles/profile_info_cache_observer.h b/chrome/browser/profiles/profile_info_cache_observer.h
index 853f8ddae10b1e5495eb586fa589e4aea446442b..746c1ed833f89f487e15a1a62ca193afeb348351 100644
--- a/chrome/browser/profiles/profile_info_cache_observer.h
+++ b/chrome/browser/profiles/profile_info_cache_observer.h
@@ -8,7 +8,9 @@
 #include "base/string16.h"
 #include "ui/gfx/image/image.h"
 
+namespace base {
 class FilePath;
+}
 
 // This class provides an Observer interface to watch for changes to the
 // ProfileInfoCache.
@@ -16,13 +18,13 @@ class ProfileInfoCacheObserver {
  public:
   virtual ~ProfileInfoCacheObserver() {}
 
-  virtual void OnProfileAdded(const FilePath& profile_path) = 0;
-  virtual void OnProfileWillBeRemoved(const FilePath& profile_path) = 0;
-  virtual void OnProfileWasRemoved(const FilePath& profile_path,
+  virtual void OnProfileAdded(const base::FilePath& profile_path) = 0;
+  virtual void OnProfileWillBeRemoved(const base::FilePath& profile_path) = 0;
+  virtual void OnProfileWasRemoved(const base::FilePath& profile_path,
                                    const string16& profile_name) = 0;
-  virtual void OnProfileNameChanged(const FilePath& profile_path,
+  virtual void OnProfileNameChanged(const base::FilePath& profile_path,
                                     const string16& old_profile_name) = 0;
-  virtual void OnProfileAvatarChanged(const FilePath& profile_path) = 0;
+  virtual void OnProfileAvatarChanged(const base::FilePath& profile_path) = 0;
 
  protected:
   ProfileInfoCacheObserver() {}