Added initial Vulkan build files as well as a basic implementation file.

content/gpu/gpu_main.cc

Index: content/gpu/gpu_main.cc
diff --git a/content/gpu/gpu_main.cc b/content/gpu/gpu_main.cc
index 958e40dc2425ed98eb86178d01f2bfdb879d4a2c..d9299383834e7f63f2e259cd8d797143e8bc1ddc 100644
--- a/content/gpu/gpu_main.cc
+++ b/content/gpu/gpu_main.cc
@@ -80,6 +80,10 @@
 #include "content/common/gpu/media/vaapi_wrapper.h"
 #endif
 
+#if defined(ENABLE_VULKAN)
+#include "gpu/vulkan/vulkan_surface.h"
+#endif
+
 #if defined(SANITIZER_COVERAGE)
 #include <sanitizer/common_interface_defs.h>
 #include <sanitizer/coverage_interface.h>
@@ -288,6 +292,11 @@ int GpuMain(const MainFunctionParams& parameters) {
       gl_already_initialized = true;
     }
 
+#if defined(ENABLE_VULKAN)
+    // Temporary Vulkan initialization injection.
+    gfx::VulkanSurface::InitializeOneOff();

[Nico, 2016/03/09 02:43:33]

do you need to call this both here and in the other file?

[David Yen, 2016/03/09 18:44:49]

I'm still figuring out the initialization path for these, should become more
clear as the actual surface is implemented. Right now I'm just injecting it here
to be sure Vulkan actually links/initializes properly.

+#endif
+
     // Load and initialize the GL implementation and locate the GL entry points.
     bool gl_initialized =
         gl_already_initialized