Migrate base::{size,empty,data} to STL equivalents in //components.

Bug: 1299695
Change-Id: Ia2ef2239d649b2a50569cad9b3f293ca23510b68
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3491962
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
Owners-Override: Lei Zhang <thestig@chromium.org>
Cr-Commit-Position: refs/heads/main@{#975484}

components/safe_search_api/safe_search/safe_search_url_checker_client_unittest.cc

@@ -70,7 +70,7 @@ class SafeSearchURLCheckerClientTest : public testing::Test {
 
  protected:
   GURL GetNewURL() {
-    CHECK(next_url_ < base::size(kURLs));
+    CHECK(next_url_ < std::size(kURLs));
     return GURL(kURLs[next_url_++]);
   }
 

components/safe_search_api/url_checker_unittest.cc

@@ -12,7 +12,6 @@
 
 #include "base/bind.h"
 #include "base/callback.h"
-#include "base/cxx17_backports.h"
 #include "base/memory/raw_ptr.h"
 #include "base/test/scoped_feature_list.h"
 #include "base/test/task_environment.h"
@@ -68,7 +67,7 @@ class SafeSearchURLCheckerTest : public testing::Test {
 
  protected:
   GURL GetNewURL() {
-    CHECK(next_url_ < base::size(kURLs));
+    CHECK(next_url_ < std::size(kURLs));
     return GURL(kURLs[next_url_++]);
   }