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..597cd69ec9ca20842235d3a372e876051f8ebbb6 100644
--- a/components/mus/gles2/mojo_gpu_memory_buffer.cc
+++ b/components/mus/gles2/mojo_gpu_memory_buffer.cc
@@ -87,6 +87,7 @@ gfx::GpuMemoryBufferHandle MojoGpuMemoryBufferImpl::GetHandle() const {
   handle.type = gfx::SHARED_MEMORY_BUFFER;
   handle.handle = shared_memory_->handle();
   handle.offset = 0;
+  handle.stride = gfx::RowSizeForBufferFormat(size_.width(), format_, 0);

[Avi (use Gerrit), 2015/11/10 18:29:07]

e:\b\build\slave\win_x64_gn__dbg_\build\src\components\mus\gles2\mojo_gpu_memory_buffer.cc(90)
:error C2220: warning treated as error - no 'object' file generated
e:\b\build\slave\win_x64_gn__dbg_\build\src\components\mus\gles2\mojo_gpu_memory_buffer.cc(90)
: warning C4267: '=' : conversion from 'size_t' to 'int32_t', possible loss of
data

   return handle;
 }