Storage manager: Add browsing data.

chrome/browser/ui/webui/options/chromeos/storage_manager_handler.h

Index: chrome/browser/ui/webui/options/chromeos/storage_manager_handler.h
diff --git a/chrome/browser/ui/webui/options/chromeos/storage_manager_handler.h b/chrome/browser/ui/webui/options/chromeos/storage_manager_handler.h
index 57eb7917b9be6f831144d4e46778df8ef2a5d9bc..655ba62ad5841ad06f16a0061b6d76191c20ad0c 100644
--- a/chrome/browser/ui/webui/options/chromeos/storage_manager_handler.h
+++ b/chrome/browser/ui/webui/options/chromeos/storage_manager_handler.h
@@ -59,6 +59,12 @@ class StorageManagerHandler : public ::options::OptionsPageUIHandler {
   // Callback to update the UI about the size of Drive Cache.
   void OnGetDriveCacheSize(int64_t size);
 
+  // Requests updating the size of browsing data.
+  void UpdateBrowsingDataSize();
+
+  // Callback to update the UI about the size of browsing data.
+  void OnGetBrowsingDataSize(bool is_site_data, int64_t size);
+
   // Requests updating the space size used by Android apps and cache.
   void UpdateArcSize();
 
@@ -68,6 +74,12 @@ class StorageManagerHandler : public ::options::OptionsPageUIHandler {
   // Callback called when clearing Drive cache is done.
   void OnClearDriveCacheDone(bool success);
 
+  // Total size of cache data in browsing data.
+  int64_t browser_cache_size_;
+
+  // Total size of site data in browsing data.
+  int64_t browser_site_data_size_;
+
   base::WeakPtrFactory<StorageManagerHandler> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(StorageManagerHandler);