Move EndsWith to base namespace.

components/dom_distiller/core/page_features.cc

Index: components/dom_distiller/core/page_features.cc
diff --git a/components/dom_distiller/core/page_features.cc b/components/dom_distiller/core/page_features.cc
index 7d3115c597b3d4ecfa927cac3fbe3acadfcb8bbd..f931bbe5cb23cdc75513005d00cac20c84b92b93 100644
--- a/components/dom_distiller/core/page_features.cc
+++ b/components/dom_distiller/core/page_features.cc
@@ -16,6 +16,7 @@ namespace dom_distiller {
  */
 
 namespace {
+
 std::string GetLastSegment(const std::string& path) {
   // return re.search('[^/]*\/?$', path).group(0)
   if (path.size() == 0)
@@ -46,7 +47,8 @@ bool EndsWith(const std::string& t, const std::string& s) {
   return s.size() >= t.size() &&
          s.compare(s.size() - t.size(), std::string::npos, t) == 0;
 }
-}
+
+}  // namespace
 
 int kDerivedFeaturesCount = 29;
 
@@ -176,4 +178,5 @@ std::vector<double> CalculateDerivedFeaturesFromJSON(
                                   numAnchors, numForms, innerText, textContent,
                                   innerHTML);
 }
-}
+
+}  // namespace dom_distiller