Upstream base implementations of TabModel, TabModelSelector, and TabModelObserver.

chrome/browser/ui/android/tab_model/tab_model_base.h

Index: chrome/browser/ui/android/tab_model/tab_model_base.h
diff --git a/chrome/browser/ui/android/tab_model/tab_model_base.h b/chrome/browser/ui/android/tab_model/tab_model_base.h
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+// Copyright 2014 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 CHROME_BROWSER_UI_ANDROID_TAB_MODEL_TAB_MODEL_BASE_H_
+#define CHROME_BROWSER_UI_ANDROID_TAB_MODEL_TAB_MODEL_BASE_H_
+
+#include <jni.h>
+#include <vector>
+
+#include "base/android/jni_weak_ref.h"
+#include "base/android/scoped_java_ref.h"
+#include "base/compiler_specific.h"
+#include "base/logging.h"
+#include "chrome/browser/ui/android/tab_model/tab_model.h"
+
+class Profile;
+class TabAndroid;
+
+namespace content {
+class WebContents;
+}
+
+// Native representation of TabModelBase which provides access to information
+// about a tabstrip to native code and could potentially be used in place of
+// Browser for some functionality in Clank.
+class TabModelBase : public TabModel {
+ public:
+  TabModelBase(JNIEnv* env, jobject obj, Profile* profile);
+  void Destroy(JNIEnv* env, jobject obj);
+
+  // Called by JNI
+  base::android::ScopedJavaLocalRef<jobject> GetProfileAndroid(JNIEnv* env,
+                                                               jobject obj);
+  void TabAddedToModel(JNIEnv* env, jobject obj, jobject jtab);
+
+  // TabModel:
+  virtual int GetTabCount() const OVERRIDE;
+  virtual int GetActiveIndex() const OVERRIDE;
+  virtual content::WebContents* GetWebContentsAt(int index) const OVERRIDE;
+  virtual TabAndroid* GetTabAt(int index) const OVERRIDE;
+
+  virtual void SetActiveIndex(int index) OVERRIDE;
+  virtual void CloseTabAt(int index) OVERRIDE;
+
+  virtual void CreateTab(content::WebContents* web_contents,
+                         int parent_tab_id) OVERRIDE;
+  virtual content::WebContents* CreateNewTabForDevTools(
+      const GURL& url) OVERRIDE;
+
+  // Return true if we are currently restoring sessions asynchronously.
+  virtual bool IsSessionRestoreInProgress() const OVERRIDE;
+  virtual void OpenClearBrowsingData() const OVERRIDE;
+
+  // Instructs the TabModel to broadcast a notification that all tabs are now
+  // loaded from storage.
+  void BroadcastSessionRestoreComplete(JNIEnv* env, jobject obj);
+
+ private:
+  virtual ~TabModelBase();
+
+  JavaObjectWeakGlobalRef java_object_;
+};
+
+// Register the Tab's native methods through jni.
+bool RegisterTabModelBase(JNIEnv* env);
+
+#endif  // CHROME_BROWSER_UI_ANDROID_TAB_MODEL_TAB_MODEL_BASE_H_