content: Fix OOM error handling in GpuMemoryBufferImplSharedMemory::AllocateSharedMemoryForChildPro…

content/common/gpu/client/gpu_memory_buffer_impl_shared_memory.cc

Index: content/common/gpu/client/gpu_memory_buffer_impl_shared_memory.cc
diff --git a/content/common/gpu/client/gpu_memory_buffer_impl_shared_memory.cc b/content/common/gpu/client/gpu_memory_buffer_impl_shared_memory.cc
index 4c1534db191be9824d9603454e1fd2e762f06936..bcbdd9f28fe6a87b1eedd13a19102cf8c9986fe2 100644
--- a/content/common/gpu/client/gpu_memory_buffer_impl_shared_memory.cc
+++ b/content/common/gpu/client/gpu_memory_buffer_impl_shared_memory.cc
@@ -43,13 +43,13 @@ void GpuMemoryBufferImplSharedMemory::AllocateSharedMemoryForChildProcess(
     base::ProcessHandle child_process,
     const AllocationCallback& callback) {
   DCHECK(IsLayoutSupported(size, internalformat));
-  gfx::GpuMemoryBufferHandle handle;
   base::SharedMemory shared_memory;
   if (!shared_memory.CreateAnonymous(size.GetArea() *
                                      BytesPerPixel(internalformat))) {
-    handle.type = gfx::EMPTY_BUFFER;
+    callback.Run(gfx::GpuMemoryBufferHandle());
     return;
   }
+  gfx::GpuMemoryBufferHandle handle;
   handle.type = gfx::SHARED_MEMORY_BUFFER;
   shared_memory.GiveToProcess(child_process, &handle.handle);
   callback.Run(handle);