Added sandboxed process service.

content/app/android/sandboxed_process_service.cc

+// Copyright (c) 2012 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.
+
+#include "content/app/android/sandboxed_process_service.h"
+
+#include "base/global_descriptors_posix.h"
+#include "base/logging.h"
+#include "content/common/android/surface_texture_peer.h"
+#if !defined(ANDROID_UPSTREAM_BRINGUP)
+#include "content/common/chrome_descriptors.h"
+#endif
+#include "content/public/app/android_library_loader_hooks.h"
+#include "ipc/ipc_descriptors.h"
+#include "jni/sandboxed_process_service_jni.h"
+
+using base::android::AttachCurrentThread;
+using base::android::CheckException;
+
+namespace {
+
+class SurfaceTexturePeerSandboxedImpl : public content::SurfaceTexturePeer {
+ public:
+  // |service| is the instance of
+  // org.chromium.content.app.SandboxedProcessService.
+  SurfaceTexturePeerSandboxedImpl(jobject service)
+      : service_(service) {
+  }
+
+  virtual ~SurfaceTexturePeerSandboxedImpl() {
+  }
+
+  virtual void EstablishSurfaceTexturePeer(base::ProcessHandle pid,
+                                           SurfaceTextureTarget type,
+                                           jobject j_surface_texture,
+                                           int primary_id,
+                                           int secondary_id) {
+    JNIEnv* env = base::android::AttachCurrentThread();
+    Java_SandboxedProcessService_establishSurfaceTexturePeer(env, service_,
+        pid, type, j_surface_texture, primary_id, secondary_id);
+    CheckException(env);
+  }
+
+ private:
+  // The instance of org.chromium.content.app.SandboxedProcessService.
+  jobject service_;
+
+  DISALLOW_COPY_AND_ASSIGN(SurfaceTexturePeerSandboxedImpl);
+};
+
+// Chrome actually uses the renderer code path for all of its sandboxed
+// processes such as renderers, plugins, etc.
+void InternalInitSandboxedProcess(int ipc_fd,
+                                  int crash_fd,
+                                  JNIEnv* env,
+                                  jclass clazz,
+                                  jobject context,
+                                  jobject service) {
+  // Set up the IPC file descriptor mapping.
+  base::GlobalDescriptors::GetInstance()->Set(kPrimaryIPCChannel, ipc_fd);
+#if defined(USE_LINUX_BREAKPAD)
+  if (crash_fd > 0) {
+    base::GlobalDescriptors::GetInstance()->Set(kCrashDumpSignal, crash_fd);
+  }
+#endif
+  content::SurfaceTexturePeer::InitInstance(
+      new SurfaceTexturePeerSandboxedImpl(service));
+
+}
+
+}  // namespace <anonymous>
+
+static void InitSandboxedProcess(JNIEnv* env,
+                                 jclass clazz,
+                                 jobject context,
+                                 jobject service,
+                                 jint ipc_fd,
+                                 jint crash_fd) {
+  InternalInitSandboxedProcess(static_cast<int>(ipc_fd),
+      static_cast<int>(crash_fd), env, clazz, context, service);
+
+  // sandboxed process can't be reused. There is no need to wait for the browser
+  // to unbind the service. Just exit and done.
+  LOG(INFO) << "SandboxedProcessService: Drop out of SandboxedProcessMain.";
+}
+
+static void ExitSandboxedProcess(JNIEnv* env, jclass clazz) {
+  LOG(INFO) << "SandboxedProcessService: Exiting sandboxed process.";
+  // TODO(tedchoc): These methods should also be in the content namespace to
+  // avoid specifying it in the LibraryLoaderExitHook call.
+  content::LibraryLoaderExitHook();
+  _exit(0);
+}
+
+namespace content {
+
+bool RegisterSandboxedProcessService(JNIEnv* env) {
+  return RegisterNativesImpl(env);
+}
+
+}  // namespace content