Tweak |in_blink_namespace|, to look at ancestors *and also* at qualifiers.

tools/clang/rewrite_to_chrome_style/tests/methods-expected.cc

Index: tools/clang/rewrite_to_chrome_style/tests/methods-expected.cc
diff --git a/tools/clang/rewrite_to_chrome_style/tests/methods-expected.cc b/tools/clang/rewrite_to_chrome_style/tests/methods-expected.cc
index dd4fd23501ebc0c7aa5f4ff478fbf17e5513324e..0b07aef279cb1ead1bfdbce8cd4c8b0a098e0c94 100644
--- a/tools/clang/rewrite_to_chrome_style/tests/methods-expected.cc
+++ b/tools/clang/rewrite_to_chrome_style/tests/methods-expected.cc
@@ -206,3 +206,25 @@ void F2() {
   WTF::StructInWTF w;
   w.Function();
 }
+
+namespace blink {
+
+class ClassDeclaredInsideBlink {
+ public:
+  static void MethodDefinedOutsideBlink();
+};
+
+namespace internal {
+
+class InternalClass {
+ public:
+  static void Method();
+};
+
+}  // namespace internal
+
+}  // namespace blink
+
+// https://crbug.com/640688 - need to rewrite method name below.
+void blink::ClassDeclaredInsideBlink::MethodDefinedOutsideBlink() {}
+void blink::internal::InternalClass::Method() {}