diff -up firefox-51.0/gfx/2d/BorrowedContext.h.1319374 firefox-51.0/gfx/2d/BorrowedContext.h
--- firefox-51.0/gfx/2d/BorrowedContext.h.1319374	2017-01-16 17:16:49.000000000 +0100
+++ firefox-51.0/gfx/2d/BorrowedContext.h	2017-01-20 12:17:56.589954310 +0100
@@ -195,8 +195,18 @@ public:
 
   CGContextRef cg;
 private:
+#ifdef USE_SKIA
   static CGContextRef BorrowCGContextFromDrawTarget(DrawTarget *aDT);
   static void ReturnCGContextToDrawTarget(DrawTarget *aDT, CGContextRef cg);
+#else
+  static CGContextRef BorrowCGContextFromDrawTarget(DrawTarget *aDT) {
+    MOZ_CRASH("Not supported without Skia");
+  }
+
+  static void ReturnCGContextToDrawTarget(DrawTarget *aDT, CGContextRef cg) {
+    MOZ_CRASH("not supported without Skia");
+  }
+#endif
   DrawTarget *mDT;
 };
 #endif
diff -up firefox-51.0/gfx/layers/composite/LayerManagerComposite.cpp.1319374 firefox-51.0/gfx/layers/composite/LayerManagerComposite.cpp
--- firefox-51.0/gfx/layers/composite/LayerManagerComposite.cpp.1319374	2017-01-16 17:16:50.000000000 +0100
+++ firefox-51.0/gfx/layers/composite/LayerManagerComposite.cpp	2017-01-20 12:27:01.818193768 +0100
@@ -12,7 +12,6 @@
 #include "CompositableHost.h"           // for CompositableHost
 #include "ContainerLayerComposite.h"    // for ContainerLayerComposite, etc
 #include "FPSCounter.h"                 // for FPSState, FPSCounter
-#include "PaintCounter.h"               // For PaintCounter
 #include "FrameMetrics.h"               // for FrameMetrics
 #include "GeckoProfiler.h"              // for profiler_set_frame_number, etc
 #include "ImageLayerComposite.h"        // for ImageLayerComposite
@@ -72,6 +71,9 @@
 #include "TextRenderer.h"               // for TextRenderer
 #include "mozilla/layers/CompositorBridgeParent.h"
 #include "TreeTraversal.h"              // for ForEachNode
+#ifdef USE_SKIA
+#include "PaintCounter.h"               // For PaintCounter
+#endif
 
 class gfxContext;
 
@@ -133,6 +135,10 @@ LayerManagerComposite::LayerManagerCompo
 {
   mTextRenderer = new TextRenderer(aCompositor);
   MOZ_ASSERT(aCompositor);
+
+#ifdef USE_SKIA
+  mPaintCounter = nullptr;
+#endif
 }
 
 LayerManagerComposite::~LayerManagerComposite()
@@ -151,8 +157,11 @@ LayerManagerComposite::Destroy()
     }
     mRoot = nullptr;
     mClonedLayerTreeProperties = nullptr;
-    mPaintCounter = nullptr;
     mDestroyed = true;
+
+#ifdef USE_SKIA
+    mPaintCounter = nullptr;
+#endif
   }
 }
 
@@ -564,7 +573,6 @@ LayerManagerComposite::InvalidateDebugOv
   bool drawFps = gfxPrefs::LayersDrawFPS();
   bool drawFrameCounter = gfxPrefs::DrawFrameCounter();
   bool drawFrameColorBars = gfxPrefs::CompositorDrawColorBars();
-  bool drawPaintTimes = gfxPrefs::AlwaysPaint();
 
   if (drawFps || drawFrameCounter) {
     aInvalidRegion.Or(aInvalidRegion, nsIntRect(0, 0, 256, 256));
@@ -572,11 +580,16 @@ LayerManagerComposite::InvalidateDebugOv
   if (drawFrameColorBars) {
     aInvalidRegion.Or(aInvalidRegion, nsIntRect(0, 0, 10, aBounds.height));
   }
+
+#ifdef USE_SKIA
+  bool drawPaintTimes = gfxPrefs::AlwaysPaint();
   if (drawPaintTimes) {
     aInvalidRegion.Or(aInvalidRegion, nsIntRect(PaintCounter::GetPaintRect()));
   }
+#endif
 }
 
+#ifdef USE_SKIA
 void
 LayerManagerComposite::DrawPaintTimes(Compositor* aCompositor)
 {
@@ -587,6 +600,7 @@ LayerManagerComposite::DrawPaintTimes(Co
   TimeDuration compositeTime = TimeStamp::Now() - mRenderStartTime;
   mPaintCounter->Draw(aCompositor, mLastPaintTime, compositeTime);
 }
+#endif
 
 static uint16_t sFrameCount = 0;
 void
@@ -595,7 +609,6 @@ LayerManagerComposite::RenderDebugOverla
   bool drawFps = gfxPrefs::LayersDrawFPS();
   bool drawFrameCounter = gfxPrefs::DrawFrameCounter();
   bool drawFrameColorBars = gfxPrefs::CompositorDrawColorBars();
-  bool drawPaintTimes = gfxPrefs::AlwaysPaint();
 
   TimeStamp now = TimeStamp::Now();
 
@@ -736,9 +749,12 @@ LayerManagerComposite::RenderDebugOverla
     sFrameCount++;
   }
 
+#ifdef USE_SKIA
+  bool drawPaintTimes = gfxPrefs::AlwaysPaint();
   if (drawPaintTimes) {
     DrawPaintTimes(mCompositor);
   }
+#endif
 }
 
 RefPtr<CompositingRenderTarget>
diff -up firefox-51.0/gfx/layers/composite/LayerManagerComposite.h.1319374 firefox-51.0/gfx/layers/composite/LayerManagerComposite.h
--- firefox-51.0/gfx/layers/composite/LayerManagerComposite.h.1319374	2017-01-16 17:16:50.000000000 +0100
+++ firefox-51.0/gfx/layers/composite/LayerManagerComposite.h	2017-01-20 12:17:56.589954310 +0100
@@ -331,11 +331,6 @@ private:
 #endif
 
   /**
-   * Render paint and composite times above the frame.
-   */
-  void DrawPaintTimes(Compositor* aCompositor);
-
-  /**
    * We need to know our invalid region before we're ready to render.
    */
   void InvalidateDebugOverlay(nsIntRegion& aInvalidRegion, const gfx::IntRect& aBounds);
@@ -391,9 +386,16 @@ private:
   bool mLastFrameMissedHWC;
 
   bool mWindowOverlayChanged;
-  RefPtr<PaintCounter> mPaintCounter;
   TimeDuration mLastPaintTime;
   TimeStamp mRenderStartTime;
+
+#ifdef USE_SKIA
+  /**
+   * Render paint and composite times above the frame.
+   */
+  void DrawPaintTimes(Compositor* aCompositor);
+  RefPtr<PaintCounter> mPaintCounter;
+#endif
 };
 
 /**
diff -up firefox-51.0/gfx/layers/moz.build.1319374 firefox-51.0/gfx/layers/moz.build
--- firefox-51.0/gfx/layers/moz.build.1319374	2017-01-16 17:16:50.000000000 +0100
+++ firefox-51.0/gfx/layers/moz.build	2017-01-20 12:17:56.589954310 +0100
@@ -340,7 +340,6 @@ UNIFIED_SOURCES += [
     'composite/ImageHost.cpp',
     'composite/ImageLayerComposite.cpp',
     'composite/LayerManagerComposite.cpp',
-    'composite/PaintCounter.cpp',
     'composite/PaintedLayerComposite.cpp',
     'composite/TextRenderer.cpp',
     'composite/TextureHost.cpp',
@@ -485,3 +484,8 @@ LOCAL_INCLUDES += CONFIG['SKIA_INCLUDES'
 
 if CONFIG['GNU_CXX']:
     CXXFLAGS += ['-Wno-error=shadow']
+
+if CONFIG['MOZ_ENABLE_SKIA']:
+  UNIFIED_SOURCES += [
+    'composite/PaintCounter.cpp',
+  ]