Bug 1118100. Remove unused SharedSurfaceIO code. r=jgilbert

--HG--
extra : rebase_source : 9bdd90db5755903fcffdce1f7b95687844c6dfad

gfx/gl/SharedSurfaceIO.cpp

@@ -102,8 +102,6 @@ SharedSurface_IOSurface::SharedSurface_IOSurface(const RefPtr<MacIOSurface>& ioS
                   size,
                   hasAlpha)
   , mIOSurf(ioSurf)
-  , mCurConsGL(nullptr)
-  , mConsTex(0)
 {
     gl->MakeCurrent();
     mProdTex = 0;
@@ -111,31 +109,12 @@ SharedSurface_IOSurface::SharedSurface_IOSurface(const RefPtr<MacIOSurface>& ioS
     BackTextureWithIOSurf(gl, mProdTex, mIOSurf);
 }
 
-GLuint
-SharedSurface_IOSurface::ConsTexture(GLContext* consGL)
-{
-    if (!mCurConsGL) {
-        mCurConsGL = consGL;
-    }
-    MOZ_ASSERT(consGL == mCurConsGL);
-
-    if (!mConsTex) {
-        consGL->MakeCurrent();
-        mConsTex = 0;
-        consGL->fGenTextures(1, &mConsTex);
-        BackTextureWithIOSurf(consGL, mConsTex, mIOSurf);
-    }
-
-    return mConsTex;
-}
-
 SharedSurface_IOSurface::~SharedSurface_IOSurface()
 {
     if (mProdTex) {
         DebugOnly<bool> success = mGL->MakeCurrent();
         MOZ_ASSERT(success);
         mGL->fDeleteTextures(1, &mProdTex);
-        mGL->fDeleteTextures(1, &mConsTex); // This will work if we're shared.
     }
 }
 

gfx/gl/SharedSurfaceIO.h

@@ -46,12 +46,6 @@ public:
         return static_cast<SharedSurface_IOSurface*>(surf);
     }
 
-    GLuint ConsTexture(GLContext* consGL);
-
-    GLenum ConsTextureTarget() const {
-        return LOCAL_GL_TEXTURE_RECTANGLE_ARB;
-    }
-
     MacIOSurface* GetIOSurface() const {
         return mIOSurf;
     }
@@ -67,8 +61,6 @@ private:
 
     RefPtr<MacIOSurface> mIOSurf;
     GLuint mProdTex;
-    const GLContext* mCurConsGL;
-    GLuint mConsTex;
 };
 
 class SurfaceFactory_IOSurface : public SurfaceFactory