Change ScopedPtr(Hash)Map to make qualified calls to ignore_result().

base/containers/scoped_ptr_map_unittest.cc

Index: base/containers/scoped_ptr_map_unittest.cc
diff --git a/base/containers/scoped_ptr_map_unittest.cc b/base/containers/scoped_ptr_map_unittest.cc
index 706b2edfb188b264073989b1d06ce5d79a291dd5..086c4fe827113a2ef8f648d1a4012291a7be0891 100644
--- a/base/containers/scoped_ptr_map_unittest.cc
+++ b/base/containers/scoped_ptr_map_unittest.cc
@@ -16,6 +16,15 @@
 namespace base {
 namespace {
 
+namespace namespace_with_ignore_result {
+
+class Value {};
+
+template <typename T>
+void ignore_result(const T&) {}
+
+}  // namespace namespace_with_ignore_result
+
 // A ScopedDestroyer sets a Boolean to true upon destruction.
 class ScopedDestroyer {
  public:
@@ -251,5 +260,13 @@ TEST(ScopedPtrMapTest, Passed) {
   EXPECT_TRUE(destroyed);
 };
 
+// Test that using a value type from a namespace containing an ignore_result
+// function compiles correctly.
+TEST(ScopedPtrMapTest, IgnoreResultCompile) {
+  ScopedPtrMap<int, scoped_ptr<namespace_with_ignore_result::Value>> scoped_map;
+  scoped_map.insert(1,
+                    make_scoped_ptr(new namespace_with_ignore_result::Value));
+}
+
 }  // namespace
 }  // namespace base