Setup the delegate in Chrome, so we may put chrome java functions we need in blimp to the delegate …

blimp/client/core/blimp_client_context_impl.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef BLIMP_CLIENT_CORE_BLIMP_CLIENT_CONTEXT_IMPL_H_
 #define BLIMP_CLIENT_CORE_BLIMP_CLIENT_CONTEXT_IMPL_H_
 
 #include "base/macros.h"
 #include "base/supports_user_data.h"
 #include "blimp/client/public/blimp_client_context.h"
@@ skipping 11 matching lines @@
 #endif  // defined(OS_ANDROID)
 
 // BlimpClientContextImpl is the implementation of the main context-class for
 // the blimp client.
 class BlimpClientContextImpl : public BlimpClientContext,
                                base::SupportsUserData {
  public:
   BlimpClientContextImpl();
   ~BlimpClientContextImpl() override;
 
+  // Get BlimpClientContextDelegate which contains embedder callbacks.
+  BlimpClientContextDelegate* GetDelegate();
+
 #if defined(OS_ANDROID)
   BlimpClientContextImplAndroid* GetBlimpClientContextImplAndroid();
 #endif  // defined(OS_ANDROID)
 
 // BlimpClientContext implementation.
 #if defined(OS_ANDROID)
   base::android::ScopedJavaLocalRef<jobject> GetJavaObject() override;
 #endif  // defined(OS_ANDROID)
   void SetDelegate(BlimpClientContextDelegate* delegate) override;
   std::unique_ptr<BlimpContents> CreateBlimpContents() override;
 
  private:
   BlimpClientContextDelegate* delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(BlimpClientContextImpl);
 };
 
 }  // namespace client
 }  // namespace blimp
 
 #endif  // BLIMP_CLIENT_CORE_BLIMP_CLIENT_CONTEXT_IMPL_H_