Utilize ProfileInfoCache to support data type counts in profile deletion flow

chrome/browser/profiles/profile_attributes_entry.h

Index: chrome/browser/profiles/profile_attributes_entry.h
diff --git a/chrome/browser/profiles/profile_attributes_entry.h b/chrome/browser/profiles/profile_attributes_entry.h
index 898557792594d675337a446ae23b823c990f8b63..5e60002c6513251c7e9c0c2d4514c9c2f39e4638 100644
--- a/chrome/browser/profiles/profile_attributes_entry.h
+++ b/chrome/browser/profiles/profile_attributes_entry.h
@@ -10,6 +10,7 @@
 #include "base/files/file_path.h"
 #include "base/strings/string16.h"
 #include "base/time/time.h"
+#include "base/values.h"
 
 namespace gfx {
 class Image;
@@ -83,6 +84,12 @@ class ProfileAttributesEntry {
   bool IsAuthError() const;
   // Returns the index of the default icon used by the profile.
   size_t GetAvatarIconIndex() const;
+  // Get the statistic of a given |category| of the profile in |out_value| if
+  // the statistic of the |category| exists. Returns true if succeed.
+  int GetStatistic(const std::string& category) const;
+  // Returns all the statistics of the profile.
+  std::map<std::string, int> GetAllStatistics() const;
+  scoped_ptr<base::DictionaryValue> GetAllStatisticsAsDictionaryValue() const;
 
   void SetName(const base::string16& name);
   void SetShortcutName(const base::string16& name);
@@ -101,6 +108,7 @@ class ProfileAttributesEntry {
   void SetIsUsingDefaultAvatar(bool value);
   void SetIsAuthError(bool value);
   void SetAvatarIconIndex(size_t icon_index);
+  void SetStatistic(const std::string& category, int value);
 
   void SetAuthInfo(const std::string& gaia_id,
                    const base::string16& user_name);