Unified the use of BufferToTextureTargetMap for all the Processes

ui/aura/mus/mus_context_factory.cc

Index: ui/aura/mus/mus_context_factory.cc
diff --git a/ui/aura/mus/mus_context_factory.cc b/ui/aura/mus/mus_context_factory.cc
index fd6cd926e637a4ca7a73f3e62442be340e8f24b8..c9cd05dfc39bcce95ad0521ccd0778dfd55c717a 100644
--- a/ui/aura/mus/mus_context_factory.cc
+++ b/ui/aura/mus/mus_context_factory.cc
@@ -21,10 +21,7 @@ namespace aura {
 MusContextFactory::MusContextFactory(ui::Gpu* gpu)
     : gpu_(gpu),
       renderer_settings_(ui::CreateRendererSettings(
-          [](gfx::BufferFormat format, gfx::BufferUsage usage) -> uint32_t {
-            // TODO(sad): http://crbug.com/675431
-            return GL_TEXTURE_2D;
-          })),
+          content::GetBufferToTextureTargetMap()),

[boliu, 2017/06/12 16:31:39]

ui can't depend on content. does this even compile?

[sujith, 2017/06/14 10:30:18]

i was building for android, so it doesn't throw any error at that time.

So in this case we need to duplicate the GetBufferToTextureTargetMap()
in ui side right?
without that i guess we cannot access it.

       weak_ptr_factory_(this) {}
 
 MusContextFactory::~MusContextFactory() {}