precache: Move the java files into //components/precache/android

chrome/browser/android/precache/precache_launcher.h

+// 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_ANDROID_PRECACHE_PRECACHE_LAUNCHER_H_
+#define CHROME_BROWSER_ANDROID_PRECACHE_PRECACHE_LAUNCHER_H_
+
+#include <jni.h>
+
+#include "base/android/jni_android.h"
+#include "base/android/jni_weak_ref.h"
+#include "base/memory/weak_ptr.h"
+
+class PrecacheLauncher {
+ public:
+  PrecacheLauncher(JNIEnv* env, jobject obj);
+  void Destroy(JNIEnv* env, jobject obj);
+  void Start(JNIEnv* env, jobject obj);
+  void Cancel(JNIEnv* env, jobject obj);
+
+ private:
+  ~PrecacheLauncher();
+  // Called when precaching completes.
+  void OnPrecacheCompleted();
+
+  JavaObjectWeakGlobalRef weak_java_precache_launcher_;
+
+  // This must be the last member field in the class.
+  base::WeakPtrFactory<PrecacheLauncher> weak_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(PrecacheLauncher);
+};
+
+// Registers the native methods to be called from Java.
+bool RegisterPrecacheLauncher(JNIEnv* env);
+
+#endif  // CHROME_BROWSER_ANDROID_PRECACHE_PRECACHE_LAUNCHER_H_