Change asan to use blocklist.

Changing the names of files here and where they're referenced.  There's
also other locations in v8/tools/memory/asan and
third_party/dawn/tools/memory/asan that will need to be changed, but
scoping this to the changes referenced in the bug.

Bug: 1097270
Change-Id: I008e8f5eae60ec4cadb224a4b652f183951c7cb1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2565170Reviewed-by: Mirko Bonadei <mbonadei@chromium.org>
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: Reid Kleckner <rnk@chromium.org>
Reviewed-by: Jonathan Metzman <metzman@chromium.org>
Commit-Queue: Eric Robinson <ericrobinson@chromium.org>
Cr-Commit-Position: refs/heads/master@{#832390}

build/config/sanitizers/BUILD.gn

@@ -271,22 +271,12 @@ config("asan_flags") {
   cflags = []
   if (is_asan) {
     cflags += [ "-fsanitize=address" ]
-    if (asan_use_blacklist) {
     if (is_win) {
       if (!defined(asan_win_blacklist_path)) {
         asan_win_blacklist_path =
-              rebase_path("//tools/memory/asan/blacklist_win.txt",
-                          root_build_dir)
+            rebase_path("//tools/memory/asan/blocklist_win.txt", root_build_dir)
       }
       cflags += [ "-fsanitize-blacklist=$asan_win_blacklist_path" ]
-      } else {
-        # TODO(rnk): Remove this as discussed in http://crbug.com/427202.
-        if (!defined(asan_blacklist_path)) {
-          asan_blacklist_path =
-              rebase_path("//tools/memory/asan/blacklist.txt", root_build_dir)
-        }
-        cflags += [ "-fsanitize-blacklist=$asan_blacklist_path" ]
-      }
     }
   }
 }

build/config/sanitizers/sanitizers.gni

@@ -104,9 +104,6 @@ declare_args() {
   #     trace-pc-guard,indirect-calls
   sanitizer_coverage_flags = ""
 
-  # Use blacklists from tools/memory/asan when compiling with asan.
-  asan_use_blacklist = true
-
   # When enabled, only relevant sanitizer defines are set, but compilation
   # happens with no extra flags. This is useful when in component build
   # enabling sanitizers only in some of the components.

build_overrides/build.gni

@@ -35,8 +35,7 @@ declare_args() {
 # Allows different projects to specify their own suppression/ignore lists for
 # sanitizer tools.
 # asan_suppressions_file = "path/to/asan_suppressions.cc"
-# asan_blacklist_path = "path/to/asan/blacklist.txt"
-# asan_win_blacklist_path = "path/to/asan/blacklist_win.txt"
+# asan_win_blacklist_path = "path/to/asan/blocklist_win.txt"
 # lsan_suppressions_file = "path/to/lsan_suppressions.cc"
 # tsan_suppressions_file = "path/to/tsan_suppressions.cc"
 # tsan_blacklist_path = "path/to/tsan/ignores.txt"

tools/memory/asan/blacklist.txt

-# The rules in this file are only applied at compile time. If you can modify the
-# source in question, consider function attributes to disable instrumentation.
-#
-# Please think twice before you add or remove these rules.