[counting_allocator] Chrome changes.

base/trace_event/heap_profiler_allocation_register.h

Index: base/trace_event/heap_profiler_allocation_register.h
diff --git a/base/trace_event/heap_profiler_allocation_register.h b/base/trace_event/heap_profiler_allocation_register.h
index d6a02faeaeaacca487e3ff13d7f71dac34768da1..99a59354b422136449d231cb733f9b11a4ecc21d 100644
--- a/base/trace_event/heap_profiler_allocation_register.h
+++ b/base/trace_event/heap_profiler_allocation_register.h
@@ -316,11 +316,7 @@ class BASE_EXPORT AllocationRegister {
   // 2^16 works well with BacktraceHasher. When increasing this number make
   // sure BacktraceHasher still produces low number of collisions.
   static const size_t kBacktraceBuckets = 1 << 16;
-#if defined(OS_ANDROID)
-  static const size_t kBacktraceCapacity = 32000;  // 22K was observed
-#else
-  static const size_t kBacktraceCapacity = 55000;  // 45K was observed on Linux
-#endif
+  static const size_t kBacktraceCapacity = 60000;
 
   struct BacktraceHasher {
     size_t operator () (const Backtrace& backtrace) const;