Bug 602659 - move some mutex locking - r=roc

gfx/layers/opengl/ImageLayerOGL.cpp

@@ -157,11 +157,11 @@ void
 RecycleBin::RecycleTexture(GLTexture *aTexture, TextureType aType,
                            const gfxIntSize& aSize)
 {
+  MutexAutoLock lock(mLock);
+
   if (!aTexture->IsAllocated())
     return;
 
-  MutexAutoLock lock(mLock);
-
   if (!mRecycledTextures[aType].IsEmpty() && aSize != mRecycledTextureSizes[aType]) {
     mRecycledTextures[aType].Clear();
   }