Bug 1482109 - Fix unified build related issues. r=rhunt

gfx/layers/ShareableCanvasRenderer.cpp

@@ -9,8 +9,13 @@
 #include "GLContext.h"                  // for GLContext
 #include "GLScreenBuffer.h"             // for GLScreenBuffer
 #include "SharedSurfaceGL.h"            // for SurfaceFactory_GLTexture, etc
+#include "gfxUtils.h"
+#include "mozilla/gfx/2D.h"
 #include "mozilla/layers/AsyncCanvasRenderer.h"
 #include "mozilla/layers/TextureClientSharedSurface.h"
+#include "mozilla/layers/CompositableForwarder.h"
+
+using namespace mozilla::gfx;
 
 namespace mozilla {
 namespace layers {

gfx/layers/ShareableCanvasRenderer.h

@@ -16,6 +16,10 @@ namespace gl {
 class SurfaceFactory;
 } // namespace gl
 
+namespace gfx {
+class DrawTarget;
+} // namespace gfx
+
 namespace layers {
 
 class ShareableCanvasRenderer : public CopyableCanvasRenderer