Enable SurfaceTexture based zero-copy texture uploading on Android platform

content/browser/android/child_process_launcher_android.cc

Index: content/browser/android/child_process_launcher_android.cc
diff --git a/content/browser/android/child_process_launcher_android.cc b/content/browser/android/child_process_launcher_android.cc
index cf915e4a42a837de1f7a824c63964e205cbbbe4f..d1b16dd843ba4b3187ebc631c84b123c99083a48 100644
--- a/content/browser/android/child_process_launcher_android.cc
+++ b/content/browser/android/child_process_launcher_android.cc
@@ -159,6 +159,20 @@ jobject GetViewSurface(JNIEnv* env, jclass clazz, jint surface_id) {
   return CompositorImpl::GetSurface(surface_id);
 }
 
+void SetupSurfaceTextureToRenderer(
+    base::ProcessHandle process,
+    void* gpu_memory_buffer,
+    scoped_refptr<gfx::SurfaceTexture> surface_texture) {
+  JNIEnv* env = AttachCurrentThread();
+  DCHECK(env);
+  gfx::ScopedJavaSurface surface(surface_texture.get());

[Hongbo Min, 2014/03/18 06:10:03]

Is it safe that the Surface is released  after exiting this function scope?

+  Java_ChildProcessLauncher_setupSurfaceTextureToRenderer(
+      env,
+      static_cast<jint>(process),
+      reinterpret_cast<intptr_t>(gpu_memory_buffer),
+      surface.j_surface().obj());
+}
+
 jboolean IsSingleProcess(JNIEnv* env, jclass clazz) {
   return CommandLine::ForCurrentProcess()->HasSwitch(switches::kSingleProcess);
 }