Tied up BlimpNavigationController to NavigationFeature

blimp/client/core/android/blimp_navigation_controller_impl_android.cc

Index: blimp/client/core/android/blimp_navigation_controller_impl_android.cc
diff --git a/blimp/client/core/android/blimp_navigation_controller_impl_android.cc b/blimp/client/core/android/blimp_navigation_controller_impl_android.cc
index a51cee61b7d6f121a9f5342ce55981b2bce8d9b8..496c8ec4b0fe6c87052f3267fc3164c1dd50f297 100644
--- a/blimp/client/core/android/blimp_navigation_controller_impl_android.cc
+++ b/blimp/client/core/android/blimp_navigation_controller_impl_android.cc
@@ -61,5 +61,35 @@ BlimpNavigationControllerImplAndroid::GetURL(JNIEnv* env, jobject jobj) {
   return base::android::ConvertUTF8ToJavaString(env, url.spec());
 }
 
+jboolean BlimpNavigationControllerImplAndroid::CanGoBack(
+    JNIEnv* env,
+    const JavaParamRef<jobject>& obj) {
+  return blimp_navigation_controller_impl_->CanGoBack();
+}
+
+jboolean BlimpNavigationControllerImplAndroid::CanGoForward(
+    JNIEnv* env,
+    const JavaParamRef<jobject>& obj) {
+  return blimp_navigation_controller_impl_->CanGoForward();
+}
+
+void BlimpNavigationControllerImplAndroid::GoBack(
+    JNIEnv* env,
+    const JavaParamRef<jobject>& obj) {
+  blimp_navigation_controller_impl_->GoBack();
+}
+
+void BlimpNavigationControllerImplAndroid::GoForward(
+    JNIEnv* env,
+    const JavaParamRef<jobject>& obj) {
+  blimp_navigation_controller_impl_->GoForward();
+}
+
+void BlimpNavigationControllerImplAndroid::Reload(
+    JNIEnv* env,
+    const JavaParamRef<jobject>& obj) {
+  blimp_navigation_controller_impl_->Reload();
+}
+
 }  // namespace client
 }  // namespace blimp