Utilize ProfileInfoCache to support data type counts in profile deletion flow

chrome/browser/profiles/profile_attributes_storage_unittest.cc

Index: chrome/browser/profiles/profile_attributes_storage_unittest.cc
diff --git a/chrome/browser/profiles/profile_attributes_storage_unittest.cc b/chrome/browser/profiles/profile_attributes_storage_unittest.cc
index b3668121d249b0c1db37cf2f84bbbca2681054f2..4e8d5483801530cb47b0fcad1502d2025a8325e4 100644
--- a/chrome/browser/profiles/profile_attributes_storage_unittest.cc
+++ b/chrome/browser/profiles/profile_attributes_storage_unittest.cc
@@ -4,6 +4,7 @@
 
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
+#include "base/values.h"
 #include "chrome/browser/profiles/profile_info_cache.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/supervised_user/supervised_user_constants.h"
@@ -51,6 +52,32 @@ void TestAccessors(ProfileAttributesEntry** entry,
   (*entry->*setter_func)(second_value);
   EXPECT_EQ(second_value, (*entry->*getter_func)());
 }
+
+void VerifyStatistics(const ProfileAttributesEntry * const entry,
+                      const std::map<std::string, int>& expect_map,
+                      const std::vector<std::string>& categories_to_check) {
+  // Check GetStatistic().
+  for (const auto& category : categories_to_check)
+    EXPECT_EQ(expect_map.count(category) ? expect_map.at(category) : 0,
+              entry->GetStatistic(category));
+
+  // Check GetAllStatistics() and GetAllStatisticsAsDictionaryValue().
+  const std::map<std::string, int> actual_map = entry->GetAllStatistics();
+  const scoped_ptr<base::DictionaryValue> actual_dict =
+      entry->GetAllStatisticsAsDictionaryValue();
+
+  EXPECT_EQ(expect_map.size(), actual_map.size());
+  EXPECT_EQ(expect_map.size(), actual_dict->size());
+
+  for (const auto& item : expect_map) {
+    ASSERT_TRUE(actual_map.count(item.first));
+    ASSERT_EQ(item.second, actual_map.at(item.first));
+
+    int actual_value;
+    ASSERT_TRUE(actual_dict->GetInteger(item.first, &actual_value));
+    ASSERT_EQ(item.second, actual_value);
+  }
+}
 }  // namespace
 
 class ProfileAttributesStorageTest : public testing::Test {
@@ -270,6 +297,33 @@ TEST_F(ProfileAttributesStorageTest, SupervisedUsersAccessors) {
   ASSERT_FALSE(entry->IsLegacySupervised());
 }
 
+TEST_F(ProfileAttributesStorageTest, StatisticsAccessors) {
+  AddTestingProfile();
+
+  ProfileAttributesEntry* entry;
+  ASSERT_TRUE(storage()->GetProfileAttributesWithPath(
+      GetProfilePath("testing_profile_path0"), &entry));
+
+  EXPECT_EQ(GetProfilePath("testing_profile_path0"), entry->GetPath());
+
+  std::vector<std::string> categories_to_check{"One", "Two", "Three"};
+  std::map<std::string, int> expect_map;
+  std::vector<std::pair<std::string, int>> insertions{
+    std::make_pair("One", 3),  // Insert data
+    std::make_pair("Two", 4),  // Insert data
+    std::make_pair("One", 5)  // Overwrite data
+  };
+
+  // Now no keys are set.
+  VerifyStatistics(entry, expect_map, categories_to_check);
+  // Insert items and test after each insert.
+  for (const auto& item : insertions) {
+    entry->SetStatistic(item.first, item.second);
+    expect_map[item.first] = item.second;
+    VerifyStatistics(entry, expect_map, categories_to_check);
+  }
+}
+
 TEST_F(ProfileAttributesStorageTest, ReSortTriggered) {
   storage()->AddProfile(GetProfilePath("alpha_path"),
                         base::ASCIIToUTF16("alpha"),