Revert of Brotli compression used on about credits html file.

third_party/brotli/BUILD.gn

Index: third_party/brotli/BUILD.gn
diff --git a/third_party/brotli/BUILD.gn b/third_party/brotli/BUILD.gn
index e08f23db275e105fb00b86b59c606d6d33e32993..5b13e6f3b7aba702f7794fc274f48d72dd52e63e 100644
--- a/third_party/brotli/BUILD.gn
+++ b/third_party/brotli/BUILD.gn
@@ -1,10 +1,6 @@
 # Copyright 2014 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.
-
-if (is_win) {
-  import("//build/config/win/visual_studio_version.gni")
-}
 
 source_set("brotli") {
   sources = [
@@ -89,16 +85,15 @@
       ":brotli",
     ]
 
-    if (is_win && visual_studio_version == "2015") {
-      # Disabling "result of 32-bit shift implicitly converted to 64 bits",
-      # caused by code like: foo |= (1 << i);   // warning 4334
-      cflags = [ "/wd4334" ]
-    }
-
     # Always build release since this is a build tool.
     if (is_debug) {
       configs -= [ "//build/config:debug" ]
       configs += [ "//build/config:release" ]
     }
+    if (is_posix) {
+      configs -= [ "//build/config/gcc:no_exceptions" ]
+    } else if (is_win) {
+      cflags_cc = [ "/EHsc" ]
+    }
   }
 }