Move context-related callbacks into OutputSurface

cc/gl_renderer_unittest.cc

Index: cc/gl_renderer_unittest.cc
diff --git a/cc/gl_renderer_unittest.cc b/cc/gl_renderer_unittest.cc
index 709c63f4f752440c1528090dabee5fcce257df93..eda3acc1bee5b49d337580baf42d54f1adc6ba3e 100644
--- a/cc/gl_renderer_unittest.cc
+++ b/cc/gl_renderer_unittest.cc
@@ -80,8 +80,6 @@ public:
     // RendererClient methods.
     virtual const gfx::Size& deviceViewportSize() const OVERRIDE { static gfx::Size fakeSize(1, 1); return fakeSize; }
     virtual const LayerTreeSettings& settings() const OVERRIDE { static LayerTreeSettings fakeSettings; return fakeSettings; }
-    virtual void didLoseOutputSurface() OVERRIDE { }
-    virtual void onSwapBuffersComplete() OVERRIDE { }
     virtual void setFullRootLayerDamage() OVERRIDE { m_setFullRootLayerDamageCount++; }
     virtual void setManagedMemoryPolicy(const ManagedMemoryPolicy& policy) OVERRIDE { m_memoryAllocationLimitBytes = policy.bytesLimitWhenVisible; }
     virtual void enforceManagedMemoryPolicy(const ManagedMemoryPolicy& policy) OVERRIDE { if (m_lastCallWasSetVisibility) *m_lastCallWasSetVisibility = false; }