Fix compile errors on 64 bit platforms.

Review URL: https://chromiumcodereview.appspot.com/10053009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11268 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/heap.cc

@@ -5676,7 +5676,7 @@ intptr_t Heap::PromotedSpaceSizeOfObjects() {
 }
 
 
-int Heap::PromotedExternalMemorySize() {
+intptr_t Heap::PromotedExternalMemorySize() {
   if (amount_of_external_allocated_memory_
       <= amount_of_external_allocated_memory_at_last_global_gc_) return 0;
   return amount_of_external_allocated_memory_

src/heap.h

@@ -1326,7 +1326,8 @@ class Heap {
 
   // Adjusts the amount of registered external memory.
   // Returns the adjusted value.
-  inline int AdjustAmountOfExternalAllocatedMemory(int change_in_bytes);
+  inline intptr_t AdjustAmountOfExternalAllocatedMemory(
+      intptr_t change_in_bytes);
 
   // Allocate uninitialized fixed array.
   MUST_USE_RESULT MaybeObject* AllocateRawFixedArray(int length);
@@ -1646,7 +1647,7 @@ class Heap {
   int gc_post_processing_depth_;
 
   // Returns the amount of external memory registered since last global gc.
-  int PromotedExternalMemorySize();
+  intptr_t PromotedExternalMemorySize();
 
   int ms_count_;  // how many mark-sweep collections happened
   unsigned int gc_count_;  // how many gc happened
@@ -1714,7 +1715,7 @@ class Heap {
   intptr_t amount_of_external_allocated_memory_;
 
   // Caches the amount of external memory registered at the last global gc.
-  int amount_of_external_allocated_memory_at_last_global_gc_;
+  intptr_t amount_of_external_allocated_memory_at_last_global_gc_;
 
   // Indicates that an allocation has failed in the old generation since the
   // last GC.

test/cctest/test-api.cc

@@ -10869,9 +10869,9 @@ THREADED_TEST(ExternalAllocatedMemory) {
   v8::HandleScope outer;
   v8::Persistent<Context> env(Context::New());
   CHECK(!env.IsEmpty());
-  const int kSize = 1024*1024;
+  const intptr_t kSize = 1024*1024;
   CHECK_EQ(v8::V8::AdjustAmountOfExternalAllocatedMemory(kSize), kSize);
-  CHECK_EQ(v8::V8::AdjustAmountOfExternalAllocatedMemory(-kSize), 0);
+  CHECK_EQ(v8::V8::AdjustAmountOfExternalAllocatedMemory(-kSize), 0l);
 }