Remove the dvmHeapSizeChanged no-op routine.

Change-Id: I6deb4ea858610edee6e7aa44d49d91cae5a25404
diff --git a/vm/alloc/Heap.c b/vm/alloc/Heap.c
index f063b45..1d8cfde 100644
--- a/vm/alloc/Heap.c
+++ b/vm/alloc/Heap.c
@@ -219,13 +219,6 @@
     return obj;
 }
 
-/* Whenever the effective heap size may have changed,
- * this function must be called.
- */
-void dvmHeapSizeChanged()
-{
-}
-
 /* Do a full garbage collection, which may grow the
  * heap as a side-effect if the live set is large.
  */
@@ -309,7 +302,6 @@
      * Try harder, growing the heap if necessary.
      */
     ptr = dvmHeapSourceAllocAndGrow(size);
-    dvmHeapSizeChanged();
     if (ptr != NULL) {
         size_t newHeapSize;
 
@@ -335,7 +327,6 @@
             size);
     gcForMalloc(true);
     ptr = dvmHeapSourceAllocAndGrow(size);
-    dvmHeapSizeChanged();
     if (ptr != NULL) {
         return ptr;
     }
@@ -843,7 +834,6 @@
      * it just lets the heap grow more when necessary.
      */
     dvmHeapSourceGrowForUtilization();
-    dvmHeapSizeChanged();
 
 #if WITH_HPROF
     if (gcHeap->hprofContext != NULL) {
diff --git a/vm/alloc/HeapInternal.h b/vm/alloc/HeapInternal.h
index 773ebc3..0298f84 100644
--- a/vm/alloc/HeapInternal.h
+++ b/vm/alloc/HeapInternal.h
@@ -125,7 +125,6 @@
 void dvmUnlockHeap(void);
 void dvmLogGcStats(size_t numFreed, size_t sizeFreed, size_t gcTimeMs);
 void dvmLogMadviseStats(size_t madvisedSizes[], size_t arrayLen);
-void dvmHeapSizeChanged(void);
 
 /*
  * Logging helpers
diff --git a/vm/alloc/HeapSource.c b/vm/alloc/HeapSource.c
index 62c0740..f13cf21 100644
--- a/vm/alloc/HeapSource.c
+++ b/vm/alloc/HeapSource.c
@@ -1700,7 +1700,6 @@
      */
     HSTRACE("EXTERNAL alloc %zd: frag\n", n);
     ret = externalAlloc(hs, n, true);
-    dvmHeapSizeChanged();
     if (ret) {
         goto out;
     }
@@ -1711,7 +1710,6 @@
     HSTRACE("EXTERNAL alloc %zd: GC 2\n", n);
     gcForExternalAlloc(true);  // collect SoftReferences
     ret = externalAlloc(hs, n, true);
-    dvmHeapSizeChanged();
     if (!ret) {
         LOGE_HEAP("Out of external memory on a %zu-byte allocation.\n", n);
     }