Add a basic UI to the Android Blimp client.

blimp/client/android/blimp_toolbar.h

Index: blimp/client/android/blimp_toolbar.h
diff --git a/blimp/client/android/blimp_toolbar.h b/blimp/client/android/blimp_toolbar.h
new file mode 100644
index 0000000000000000000000000000000000000000..a9f88bcb6886f5f57c31c010958300080620f093
--- /dev/null
+++ b/blimp/client/android/blimp_toolbar.h
@@ -0,0 +1,49 @@
+// Copyright 2015 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_ANDROID_BLIMP_TOOLBAR_H_
+#define BLIMP_CLIENT_ANDROID_BLIMP_TOOLBAR_H_
+
+#include "base/android/jni_android.h"
+#include "base/macros.h"
+
+class GURL;
+class SkBitmap;
+
+namespace blimp {
+
+// The native component of org.chromium.blimp.toolbar.BlimpToolbar.  This
+// handles marshalling calls between Java and native.  Specifically, this passes
+// calls between BlimpToolbar.java <=> content_lite's NavigationController
+// layer.
+class BlimpToolbar {
+ public:
+  static bool RegisterJni(JNIEnv* env);
+
+  BlimpToolbar(JNIEnv* env, const base::android::JavaParamRef<jobject>& jobj);
+
+  // Methods called from Java via JNI.
+  void Destroy(JNIEnv* env, jobject jobj);
+  void OnUrlTextEntered(JNIEnv* env, jobject jobj, jstring text);
+  void OnReloadPressed(JNIEnv* env, jobject jobj);
+  jboolean OnBackPressed(JNIEnv* env, jobject jobj);
+
+  // To be called by a the content lite NavigationController.  Should probably

[nyquist, 2015/11/09 01:58:45]

Nit: Should this be a TODO?

[David Trainor- moved to gerrit, 2015/11/09 17:17:45]

Done.

+  // be an overridden delegate method so the network code can be multi platform.
+  void OnNavigationStateChanged(const GURL* url,
+                                const SkBitmap* favicon,
+                                const std::string* title);
+
+ private:
+  virtual ~BlimpToolbar();
+
+  // Reference to the Java object which owns this class.
+  base::android::ScopedJavaGlobalRef<jobject> java_obj_;
+
+  DISALLOW_COPY_AND_ASSIGN(BlimpToolbar);
+};
+
+}  // namespace blimp
+
+#endif  // BLIMP_CLIENT_ANDROID_BLIMP_TOOLBAR_H_