Remove unused memory functions

content/app/content_main_runner.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/public/app/content_main_runner.h"
 
 #include <stdlib.h>
 
 #include <string>
 
@@ skipping 396 matching lines @@
     memset(&sandbox_info_, 0, sizeof(sandbox_info_));
 #endif
   }
 
   ~ContentMainRunnerImpl() override {
     if (is_initialized_ && !is_shutdown_)
       Shutdown();
   }
 
 #if defined(USE_TCMALLOC)
-  static bool GetAllocatorWasteSizeThunk(size_t* size) {
-    size_t heap_size, allocated_bytes, unmapped_bytes;
-    MallocExtension* ext = MallocExtension::instance();
-    if (ext->GetNumericProperty("generic.heap_size", &heap_size) &&
-        ext->GetNumericProperty("generic.current_allocated_bytes",
-                                &allocated_bytes) &&
-        ext->GetNumericProperty("tcmalloc.pageheap_unmapped_bytes",
-                                &unmapped_bytes)) {
-      *size = heap_size - allocated_bytes - unmapped_bytes;
-      return true;
-    }
-    DCHECK(false);
-    return false;
-  }
-
   static void GetStatsThunk(char* buffer, int buffer_length) {
     MallocExtension::instance()->GetStats(buffer, buffer_length);
   }
 
   static bool GetNumericPropertyThunk(const char* name, size_t* value) {
     return MallocExtension::instance()->GetNumericProperty(name, value);
   }
 
   static void ReleaseFreeMemoryThunk() {
     MallocExtension::instance()->ReleaseFreeMemory();
@@ skipping 22 matching lines @@
     // here rather than in process_util_linux.cc with the definition of
     // EnableTerminationOnOutOfMemory().  That's because base shouldn't have a
     // dependency on TCMalloc.  Really, we ought to have our allocator shim code
     // implement this EnableTerminationOnOutOfMemory() function.  Whateverz.
     // This works for now.
 #if !defined(OS_MACOSX) && defined(USE_TCMALLOC)
     // For tcmalloc, we need to tell it to behave like new.
     tc_set_new_mode(1);
 
     // On windows, we've already set these thunks up in _heap_init()
-    base::allocator::SetGetAllocatorWasteSizeFunction(
-        GetAllocatorWasteSizeThunk);
     base::allocator::SetGetStatsFunction(GetStatsThunk);
     base::allocator::SetGetNumericPropertyFunction(GetNumericPropertyThunk);
     base::allocator::SetReleaseFreeMemoryFunction(ReleaseFreeMemoryThunk);
 
     // Provide optional hook for monitoring allocation quantities on a
     // per-thread basis.  Only set the hook if the environment indicates this
     // needs to be enabled.
     const char* profiling = getenv(tracked_objects::kAlternateProfilerTime);
     if (profiling &&
         (atoi(profiling) == tracked_objects::TIME_SOURCE_TYPE_TCMALLOC)) {
@@ skipping 381 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(ContentMainRunnerImpl);
 };
 
 // static
 ContentMainRunner* ContentMainRunner::Create() {
   return new ContentMainRunnerImpl();
 }
 
 }  // namespace content