Expose DXT3 and DXT5 through ANGLE

gpu/command_buffer/client/gles2_demo.cc

Index: gpu/command_buffer/client/gles2_demo.cc
diff --git a/gpu/command_buffer/client/gles2_demo.cc b/gpu/command_buffer/client/gles2_demo.cc
index 7dde7f6349a274cd0b28dfb161ba52a8d14ca7b9..974f18717c345c31593b5dc14e1b758f92a207d6 100644
--- a/gpu/command_buffer/client/gles2_demo.cc
+++ b/gpu/command_buffer/client/gles2_demo.cc
@@ -19,12 +19,14 @@
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "base/shared_memory.h"
+#include "gpu/command_buffer/service/context_group.h"
 #include "gpu/command_buffer/service/gpu_scheduler.h"
 #include "gpu/command_buffer/service/command_buffer_service.h"
 #include "gpu/command_buffer/client/gles2_implementation.h"
 #include "gpu/command_buffer/client/gles2_lib.h"
 #include "gpu/command_buffer/client/gles2_demo_c.h"
 #include "gpu/command_buffer/client/gles2_demo_cc.h"
+#include "ui/gfx/gl/gl_implementation.h"
 #include "ui/gfx/gl/gl_surface.h"
 
 using base::SharedMemory;
@@ -52,13 +54,20 @@ GLES2Demo::GLES2Demo() {
 }
 
 bool GLES2Demo::Setup(void* hwnd, int32 size) {
+#if defined(OS_WIN)
+  InitializeGLBindings(gfx::kGLImplementationEGLGLES2);
+#else
+  InitializeGLBindings(gfx::kGLImplementationDesktopGL);
+#endif
+
   scoped_ptr<CommandBufferService> command_buffer(new CommandBufferService);
   if (!command_buffer->Initialize(size))
     return NULL;
 
+  gpu::gles2::ContextGroup::Ref group(new gpu::gles2::ContextGroup());
   GpuScheduler* gpu_scheduler = GpuScheduler::Create(command_buffer.get(),
                                                      NULL,
-                                                     NULL);
+                                                     group.get());
   if (!gpu_scheduler->Initialize(reinterpret_cast<HWND>(hwnd),
                                  gfx::Size(),
                                  false,