Execute operations of ChildProcessLauncher on launcher thread

content/browser/android/child_process_launcher_android.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/browser/android/child_process_launcher_android.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_array.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 209 matching lines @@
   return gfx::ScopedJavaSurface::AcquireExternalSurface(
       Java_ChildProcessLauncher_getSurfaceTextureSurface(
           env, surface_texture_id, client_id).obj());
 }
 
 jboolean IsSingleProcess(JNIEnv* env, jclass clazz) {
   return base::CommandLine::ForCurrentProcess()->HasSwitch(
       switches::kSingleProcess);
 }
 
+static void ExecuteOnLauncherThread(
+    const base::android::JavaRef<jobject>& runnable) {
+  JNIEnv* env = AttachCurrentThread();
+  DCHECK(env);
+  Java_ChildProcessLauncher_executeOnLauncherThread(env, runnable.obj());
+}
+
+jboolean RunOnLauncherThread(JNIEnv* env, jclass clazz, jobject runnable) {

[Yaron, 2015/09/04 16:04:03]

I think you're going to have to rebase on torne's change and make this a JavaRef
and call .obj within this function instead of in the caller.

[Jaekyun Seok (inactive), 2015/09/08 09:45:11]

Done.

+  ScopedJavaGlobalRef<jobject> jrunnable;
+  jrunnable.Reset(env, runnable);
+  if (jrunnable.is_null())
+    return false;
+
+  if (!BrowserThread::IsThreadInitialized(BrowserThread::PROCESS_LAUNCHER))
+    return false;
+
+  if (BrowserThread::CurrentlyOn(BrowserThread::PROCESS_LAUNCHER)) {
+    ExecuteOnLauncherThread(jrunnable);
+  } else {
+    BrowserThread::PostTask(BrowserThread::PROCESS_LAUNCHER, FROM_HERE,
+                            base::Bind(&ExecuteOnLauncherThread, jrunnable));
+  }
+  return true;
+}
+
 bool RegisterChildProcessLauncher(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 }  // namespace content