Bug 987314 - Move around a few things in AsyncPanZoomController.h. r=botond

gfx/layers/ipc/AsyncPanZoomController.h

@@ -757,6 +757,7 @@ private:
   friend class Axis;
   friend class FlingAnimation;
 
+
   /* The functions and members in this section are used to build a tree
    * structure out of APZC instances. This tree can only be walked or
    * manipulated while holding the lock in the associated APZCTreeManager
@@ -804,6 +805,7 @@ private:
   nsRefPtr<AsyncPanZoomController> mPrevSibling;
   nsRefPtr<AsyncPanZoomController> mParent;
 
+
   /* The functions and members in this section are used to maintain the
    * area that this APZC instance is responsible for. This is used when
    * hit-testing to see which APZC instance should handle touch events.
@@ -830,9 +832,6 @@ public:
   }
 
 private:
-  /* Unique id assigned to each APZC. Used with ViewID to uniquely identify
-   * shared FrameMeterics used in progressive tile painting. */
-  const uint32_t mAPZCId;
   /* This is the visible region of the layer that this APZC corresponds to, in
    * that layer's screen pixels (the same coordinate system in which this APZC
    * receives events in ReceiveInputEvent()). */
@@ -843,6 +842,15 @@ private:
   /* This is the CSS transform for this APZC's layer. */
   gfx3DMatrix mCSSTransform;
 
+
+  /* The functions and members in this section are used for sharing the
+   * FrameMetrics across processes for the progressive tiling code.
+   */
+private:
+  /* Unique id assigned to each APZC. Used with ViewID to uniquely identify
+   * shared FrameMeterics used in progressive tile painting. */
+  const uint32_t mAPZCId;
+
   ipc::SharedMemoryBasic* mSharedFrameMetricsBuffer;
   CrossProcessMutex* mSharedLock;
   /**