Issue 172109: Enable scavenging in RenderThread::IdleHandler....

third_party/tcmalloc/tcmalloc.gyp

Index: third_party/tcmalloc/tcmalloc.gyp
===================================================================
--- third_party/tcmalloc/tcmalloc.gyp	(revision 26229)
+++ third_party/tcmalloc/tcmalloc.gyp	(working copy)
@@ -44,6 +44,13 @@
             },
           },
         },
+        'conditions': [
+          ['OS=="win"', {
+            'defines': [
+              ['PERFTOOLS_DLL_DECL', '']
+            ],
+          }],
+        ],
       },
       'sources': [
         'config.h',
@@ -70,7 +77,6 @@
         'tcmalloc/src/internal_logging.cc',
         'tcmalloc/src/internal_logging.h',
         'tcmalloc/src/linked_list.h',
-        'tcmalloc/src/malloc_extension.cc',
         'tcmalloc/src/malloc_hook.cc',
         'tcmalloc/src/malloc_hook-inl.h',
         'tcmalloc/src/page_heap.cc',
@@ -120,6 +126,8 @@
         # tcmalloc forked files
         'allocator_shim.cc',
         'generic_allocators.cc',
+        'malloc_extension.cc',
+        'google/malloc_extension.h',
         'page_heap.cc',
         'page_heap.h',
         'port.cc',
@@ -141,6 +149,8 @@
         'generic_allocators.cc',
         'tcmalloc.cc',
         'win_allocator.cc',
+        'tcmalloc/src/malloc_extension.cc',
+        'tcmalloc/src/google/malloc_extension.h',
       ],
       'msvs_settings': {
         # TODO(sgk):  merge this with build/common.gypi settings
@@ -164,6 +174,9 @@
       },
       'conditions': [
         ['OS=="win"', {
+          'defines': [
+            ['PERFTOOLS_DLL_DECL', '']
+          ],
           'dependencies': [
             'libcmt',
           ],