Add GrGLCreateNullInterface.cpp back to gyp, and put contents in namespace.

src/gpu/gl/GrGLCreateNullInterface.cpp

Index: src/gpu/gl/GrGLCreateNullInterface.cpp
diff --git a/src/gpu/gl/GrGLCreateNullInterface.cpp b/src/gpu/gl/GrGLCreateNullInterface.cpp
index 14919bb786069d9ab3d0a36df0d23cfe8085a991..c86a0bd2fd87548f78b371f978525cf5f0fbf417 100644
--- a/src/gpu/gl/GrGLCreateNullInterface.cpp
+++ b/src/gpu/gl/GrGLCreateNullInterface.cpp
@@ -12,6 +12,12 @@
 #include "GrGLNoOpInterface.h"
 #include "SkTLS.h"
 
+// TODO: Delete this file after chrome starts using SkNullGLContext.
+
+// added to suppress 'no previous prototype' warning and because this code is duplicated in

[bsalomon, 2015/02/11 20:01:27]

Not entirely sure this is necessary but seemed safer.

+// SkNullGLContext.cpp
+namespace {      
+
 class BufferObj {
 public:
     SK_DECLARE_INST_COUNT(BufferObj);
@@ -141,8 +147,6 @@ private:
 
 // Functions not declared in GrGLBogusInterface.h (not common with the Debug GL interface).
 
-namespace { // added to suppress 'no previous prototype' warning
-
 GrGLvoid GR_GL_FUNCTION_TYPE nullGLActiveTexture(GrGLenum texture) {}
 GrGLvoid GR_GL_FUNCTION_TYPE nullGLAttachShader(GrGLuint program, GrGLuint shader) {}
 GrGLvoid GR_GL_FUNCTION_TYPE nullGLBeginQuery(GrGLenum target, GrGLuint id) {}