wm: Update namespace and header define guards.

src/platform/window_manager/key_bindings_test.cc

Index: src/platform/window_manager/key_bindings_test.cc
diff --git a/src/platform/window_manager/key_bindings_test.cc b/src/platform/window_manager/key_bindings_test.cc
index d9782c7a6f760350a6d0d96f28b1f8ec14aa7e09..2c77198e58ed429c58b543802cf0a9e78ff6f7d2 100644
--- a/src/platform/window_manager/key_bindings_test.cc
+++ b/src/platform/window_manager/key_bindings_test.cc
@@ -20,7 +20,9 @@
 DEFINE_bool(logtostderr, false,
             "Print debugging messages to stderr (suppressed otherwise)");
 
-namespace chromeos {
+namespace window_manager {
+
+using chromeos::NewPermanentCallback;
 
 struct TestAction {
   explicit TestAction(const std::string& name_param)
@@ -92,8 +94,8 @@ class KeyBindingTest : public ::testing::Test {
     }
   }
 
-  scoped_ptr<chromeos::XConnection> xconn_;
-  scoped_ptr<chromeos::KeyBindings> bindings_;
+  scoped_ptr<window_manager::XConnection> xconn_;
+  scoped_ptr<window_manager::KeyBindings> bindings_;
   std::vector<TestAction*> actions_;
 
   static const int kNumActions = 10;
@@ -343,5 +345,5 @@ TEST_F(KeyBindingTest, ManyActionsAndBindings) {
 }  // namespace
 
 int main(int argc, char **argv) {
-  return chromeos::InitAndRunTests(&argc, argv, &FLAGS_logtostderr);
+  return window_manager::InitAndRunTests(&argc, argv, &FLAGS_logtostderr);
 }