Make //blimp/client/app a real embedder of //blimp/client/public

blimp/client/public/contents/blimp_contents.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_PUBLIC_CONTENTS_BLIMP_CONTENTS_H_
 #define BLIMP_CLIENT_PUBLIC_CONTENTS_BLIMP_CONTENTS_H_
 
 #include "base/macros.h"
 #include "base/supports_user_data.h"
 #include "ui/gfx/native_widget_types.h"
@@ skipping 27 matching lines @@
 
   // Returns the view that holds the contents of this tab.
   virtual BlimpContentsView* GetView() = 0;
 
   // Will cause this BlimpContents and the remote contents to show and start or
   // stop rendering content respectively.
   virtual void Show() = 0;
   virtual void Hide() = 0;
 
 #if defined(OS_ANDROID)
+  // Returns the native BlimpContents corresponding to a Java object of the type
+  // org.chromium.blimp.BlimpContents or nullptr if the lookup fails.
+  static BlimpContents* FromJavaObject(
+      JNIEnv* env,
+      const base::android::JavaRef<jobject>& jobj);
+
   // Returns a Java object of the type BlimpContents for the given
   // BlimpContents.
   virtual base::android::ScopedJavaLocalRef<jobject> GetJavaObject() = 0;
 #endif
 
  protected:
   BlimpContents() {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(BlimpContents);
 };
 
 }  // namespace client
 }  // namespace blimp
 
 #endif  // BLIMP_CLIENT_PUBLIC_CONTENTS_BLIMP_CONTENTS_H_