Change OOMs to raise custom exception rather than breakpoint on Windows.

third_party/WebKit/Source/wtf/allocator/Partitions.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 99 matching lines @@
     decommitFreeableMemory();
     partitionDumpStatsGeneric(fastMallocPartition(), "fast_malloc", isLightDump, partitionStatsDumper);
     partitionDumpStatsGeneric(bufferPartition(), "buffer", isLightDump, partitionStatsDumper);
     partitionDumpStats(layoutPartition(), "layout", isLightDump, partitionStatsDumper);
 }
 
 static NEVER_INLINE void partitionsOutOfMemoryUsing2G()
 {
     size_t signature = 2UL * 1024 * 1024 * 1024;
     base::debug::Alias(&signature);
-    IMMEDIATE_CRASH();
+    OOM_CRASH();
 }
 
 static NEVER_INLINE void partitionsOutOfMemoryUsing1G()
 {
     size_t signature = 1UL * 1024 * 1024 * 1024;
     base::debug::Alias(&signature);
-    IMMEDIATE_CRASH();
+    OOM_CRASH();
 }
 
 static NEVER_INLINE void partitionsOutOfMemoryUsing512M()
 {
     size_t signature = 512 * 1024 * 1024;
     base::debug::Alias(&signature);
-    IMMEDIATE_CRASH();
+    OOM_CRASH();
 }
 
 static NEVER_INLINE void partitionsOutOfMemoryUsing256M()
 {
     size_t signature = 256 * 1024 * 1024;
     base::debug::Alias(&signature);
-    IMMEDIATE_CRASH();
+    OOM_CRASH();
 }
 
 static NEVER_INLINE void partitionsOutOfMemoryUsing128M()
 {
     size_t signature = 128 * 1024 * 1024;
     base::debug::Alias(&signature);
-    IMMEDIATE_CRASH();
+    OOM_CRASH();
 }
 
 static NEVER_INLINE void partitionsOutOfMemoryUsing64M()
 {
     size_t signature = 64 * 1024 * 1024;
     base::debug::Alias(&signature);
-    IMMEDIATE_CRASH();
+    OOM_CRASH();
 }
 
 static NEVER_INLINE void partitionsOutOfMemoryUsing32M()
 {
     size_t signature = 32 * 1024 * 1024;
     base::debug::Alias(&signature);
-    IMMEDIATE_CRASH();
+    OOM_CRASH();
 }
 
 static NEVER_INLINE void partitionsOutOfMemoryUsing16M()
 {
     size_t signature = 16 * 1024 * 1024;
     base::debug::Alias(&signature);
-    IMMEDIATE_CRASH();
+    OOM_CRASH();
 }
 
 static NEVER_INLINE void partitionsOutOfMemoryUsingLessThan16M()
 {
     size_t signature = 16 * 1024 * 1024 - 1;
     base::debug::Alias(&signature);
     DLOG(FATAL) << "ParitionAlloc: out of memory with < 16M usage (error:" << getAllocPageErrorCode() << ")";
 }
 
 void Partitions::handleOutOfMemory()
@@ skipping 15 matching lines @@
     if (totalUsage >= 64 * 1024 * 1024)
         partitionsOutOfMemoryUsing64M();
     if (totalUsage >= 32 * 1024 * 1024)
         partitionsOutOfMemoryUsing32M();
     if (totalUsage >= 16 * 1024 * 1024)
         partitionsOutOfMemoryUsing16M();
     partitionsOutOfMemoryUsingLessThan16M();
 }
 
 } // namespace WTF