Re-land: ui: Add custom stride support to GLImageMemory.

components/mus/gles2/mojo_gpu_memory_buffer.cc

Index: components/mus/gles2/mojo_gpu_memory_buffer.cc
diff --git a/components/mus/gles2/mojo_gpu_memory_buffer.cc b/components/mus/gles2/mojo_gpu_memory_buffer.cc
index dfa7d8b6aded105be9fafe84f8d7ecf1b78bc458..c0603e6aac1eb43808f30d74684a0c3df839d247 100644
--- a/components/mus/gles2/mojo_gpu_memory_buffer.cc
+++ b/components/mus/gles2/mojo_gpu_memory_buffer.cc
@@ -87,6 +87,8 @@ gfx::GpuMemoryBufferHandle MojoGpuMemoryBufferImpl::GetHandle() const {
   handle.type = gfx::SHARED_MEMORY_BUFFER;
   handle.handle = shared_memory_->handle();
   handle.offset = 0;
+  handle.stride = static_cast<int32_t>(
+      gfx::RowSizeForBufferFormat(size_.width(), format_, 0));
   return handle;
 }