Add the future storage framework for the BudgetDatabase.

chrome/chrome_browser.gypi

Index: chrome/chrome_browser.gypi
diff --git a/chrome/chrome_browser.gypi b/chrome/chrome_browser.gypi
index 5112ba93d06f91acabd9b85044b6e3a53f0c097d..7356e7eb657e0eca85b92e1e3206178d69bbfaed 100644
--- a/chrome/chrome_browser.gypi
+++ b/chrome/chrome_browser.gypi
@@ -122,6 +122,8 @@
       'browser/budget_service/background_budget_service.h',
       'browser/budget_service/background_budget_service_factory.cc',
       'browser/budget_service/background_budget_service_factory.h',
+      'browser/budget_service/budget_database.cc',
+      'browser/budget_service/budget_database.h',
       'browser/character_encoding.cc',
       'browser/character_encoding.h',
       'browser/chrome_browser_application_mac.h',
@@ -3351,6 +3353,7 @@
       'conditions': [
         ['OS != "ios"', {
           'dependencies': [
+	    'budget_proto',
             'common_mojo_bindings',
             'common_net',
             'debugger',
@@ -4101,6 +4104,18 @@
       'includes': [ '../build/protoc.gypi' ],
     },
     {
+      # Protobuf compiler / generator for the budget database protocol buffer.
+      # GN version: //chrome/browser/budget_service:budget_proto
+      'target_name': 'budget_proto',
+      'type': 'static_library',
+      'sources': [ 'browser/budget_service/budget.proto' ],
+      'variables': {
+        'proto_in_dir': 'browser/budget_service',
+        'proto_out_dir': 'chrome/browser/budget_service',
+      },
+      'includes': [ '../build/protoc.gypi' ]
+    },
+    {
       # Protobuf compiler / generator for reset reports
       # protocol buffer.
       # GN version: //chrome/browser/profile_resetter:profile_reset_report_proto