Integrate UI with authentication flow.

blimp/client/core/android/blimp_client_context_impl_android.h

Index: blimp/client/core/android/blimp_client_context_impl_android.h
diff --git a/blimp/client/core/android/blimp_client_context_impl_android.h b/blimp/client/core/android/blimp_client_context_impl_android.h
index c38a59301a37ff38c0a434f95506c9df46045131..9b8d0fb598242a5ed5b87e0b28e342450909a781 100644
--- a/blimp/client/core/android/blimp_client_context_impl_android.h
+++ b/blimp/client/core/android/blimp_client_context_impl_android.h
@@ -13,7 +13,8 @@ namespace blimp {
 namespace client {
 
 // JNI bridge between BlimpClientContextImpl in Java and C++.
-class BlimpClientContextImplAndroid : public BlimpClientContextImpl {
+class BlimpClientContextImplAndroid : public BlimpClientContextImpl,
+                                      public BlimpClientContextInternal {
  public:
   static bool RegisterJni(JNIEnv* env);
   static BlimpClientContextImplAndroid* FromJavaObject(JNIEnv* env,
@@ -37,11 +38,18 @@ class BlimpClientContextImplAndroid : public BlimpClientContextImpl {
   // Start authentication flow from Java.
   void ConnectFromJava(JNIEnv* env, jobject jobj);
 
+  // Initialize blimp settings page, this involves setup neccessary data in
+  // native for setting page.
+  void InitSettingsPage(JNIEnv* env, jobject jobj, jlong blimp_settings_ptr);
+
  protected:
   // BlimpClientContextImpl implementation.
   GURL GetAssignerURL() override;
 
  private:
+  // BlimpClientContextInternal implementation.
+  IdentitySource* GetIdentitySource() override;
+
   base::android::ScopedJavaGlobalRef<jobject> java_obj_;
 
   DISALLOW_COPY_AND_ASSIGN(BlimpClientContextImplAndroid);