Enable SurfaceTexture based zero-copy texture uploading on Android platform

content/common/child_process_host_impl.cc

Index: content/common/child_process_host_impl.cc
diff --git a/content/common/child_process_host_impl.cc b/content/common/child_process_host_impl.cc
index efdd925a62567da623952532d749a643eee0d50c..7d883357d0aa3b04493cb9a65ca17b00d2554334 100644
--- a/content/common/child_process_host_impl.cc
+++ b/content/common/child_process_host_impl.cc
@@ -308,11 +308,9 @@ void ChildProcessHostImpl::OnAllocateGpuMemoryBuffer(
     uint32 height,
     uint32 internalformat,
     gfx::GpuMemoryBufferHandle* handle) {
-  handle->type = gfx::SHARED_MEMORY_BUFFER;
-  AllocateSharedMemory(
-      width * height * GpuMemoryBufferImpl::BytesPerPixel(internalformat),
-      peer_handle_,
-      &handle->handle);
+  // TODO(jun.a.jiang): simply set the type to gfx::SURFACE_TEXTURE_BUFFER
+  // here and more is needed when this code snippet is reached.
+  handle->type = gfx::SURFACE_TEXTURE_BUFFER;
 }
 
 }  // namespace content