Bug 783841 - Fix build warnings in layers r=cjones

gfx/layers/basic/BasicBuffers.h

@@ -45,10 +45,12 @@ public:
   void SetBackingBuffer(gfxASurface* aBuffer,
                         const nsIntRect& aRect, const nsIntPoint& aRotation)
   {
+#ifdef DEBUG
     gfxIntSize prevSize = gfxIntSize(BufferRect().width, BufferRect().height);
     gfxIntSize newSize = aBuffer->GetSize();
     NS_ABORT_IF_FALSE(newSize == prevSize,
                       "Swapped-in buffer size doesn't match old buffer's!");
+#endif
     nsRefPtr<gfxASurface> oldBuffer;
     oldBuffer = SetBuffer(aBuffer, aRect, aRotation);
   }

gfx/layers/ipc/AsyncPanZoomController.cpp

@@ -506,8 +506,6 @@ const gfx::Point AsyncPanZoomController::GetVelocityVector() {
 }
 
 void AsyncPanZoomController::StartPanning(const MultiTouchInput& aEvent) {
-  SingleTouchData& touch = GetFirstSingleTouch(aEvent);
-
   float dx = mX.PanDistance(),
         dy = mY.PanDistance();
 

gfx/layers/ipc/ImageBridgeParent.cpp

@@ -73,7 +73,7 @@ PImageContainerParent* ImageBridgeParent::AllocPImageContainer(PRUint64* aID)
 {
   PRUint64 id = GenImageContainerID();
   *aID = id;
-  return new ImageContainerParent(this, id);
+  return new ImageContainerParent(id);
 }
 
 bool ImageBridgeParent::DeallocPImageContainer(PImageContainerParent* toDealloc)

gfx/layers/ipc/ImageContainerParent.cpp

@@ -11,8 +11,8 @@
 namespace mozilla {
 namespace layers {
 
-ImageContainerParent::ImageContainerParent(ImageBridgeParent* aBridge, PRUint32 aHandle)
-: mID(aHandle), mBridge(aBridge), mStop(false) {
+ImageContainerParent::ImageContainerParent(PRUint32 aHandle)
+: mID(aHandle), mStop(false) {
   MOZ_COUNT_CTOR(ImageContainerParent);
 }
 

gfx/layers/ipc/ImageContainerParent.h

@@ -29,7 +29,7 @@ class ImageContainerParent : public PImageContainerParent
 {
 public:
 
-  ImageContainerParent(ImageBridgeParent* aBridge, PRUint32 aContainerID);
+  ImageContainerParent(PRUint32 aContainerID);
   ~ImageContainerParent();
 
   // Overriden from PImageContainerParent (see ImageContainer.ipdl)
@@ -126,7 +126,6 @@ protected:
 
 private:
   PRUint64 mID;
-  ImageBridgeParent* mBridge;
   bool  mStop;
 };
 

gfx/layers/opengl/ImageLayerOGL.cpp

@@ -1056,7 +1056,7 @@ ShadowImageLayerOGL::CleanupResources()
 {
   if (mSharedHandle) {
     gl()->ReleaseSharedHandle(mShareType, mSharedHandle);
-    mSharedHandle = NULL;
+    mSharedHandle = 0;
   }
 
   mExternalBufferTexture.Release();

layout/ipc/RenderFrameParent.cpp

@@ -864,7 +864,6 @@ RenderFrameParent::BuildDisplayList(nsDisplayListBuilder* aBuilder,
   nsDisplayList shadowTree;
   ContainerLayer* container = GetRootLayer();
   if (aBuilder->IsForEventDelivery() && container) {
-    nsRect bounds = aFrame->EnsureInnerView()->GetBounds();
     ViewTransform offset =
       ViewTransform(GetRootFrameOffset(aFrame, aBuilder), 1, 1);
     BuildListForLayer(container, mFrameLoader, offset,