Remove natives_blob.bin's arch dependence.

android_webview/lib/main/aw_main_delegate.cc

Index: android_webview/lib/main/aw_main_delegate.cc
diff --git a/android_webview/lib/main/aw_main_delegate.cc b/android_webview/lib/main/aw_main_delegate.cc
index ce1d576cfc5d879fa65455bcedc72529702b5816..47bc22d173ca917495297cb1ace10f808a00e1b4 100644
--- a/android_webview/lib/main/aw_main_delegate.cc
+++ b/android_webview/lib/main/aw_main_delegate.cc
@@ -121,15 +121,11 @@ bool AwMainDelegate::BasicStartupComplete(int* exit_code) {
     // Browser process (no type specified).
 
     base::android::RegisterApkAssetWithGlobalDescriptors(
-        kV8NativesDataDescriptor32,
-        gin::V8Initializer::GetNativesFilePath(true).AsUTF8Unsafe());
+        kV8NativesDataDescriptor,
+        gin::V8Initializer::GetNativesFilePath().AsUTF8Unsafe());
     base::android::RegisterApkAssetWithGlobalDescriptors(
         kV8SnapshotDataDescriptor32,
         gin::V8Initializer::GetSnapshotFilePath(true).AsUTF8Unsafe());
-
-    base::android::RegisterApkAssetWithGlobalDescriptors(
-        kV8NativesDataDescriptor64,
-        gin::V8Initializer::GetNativesFilePath(false).AsUTF8Unsafe());
     base::android::RegisterApkAssetWithGlobalDescriptors(
         kV8SnapshotDataDescriptor64,
         gin::V8Initializer::GetSnapshotFilePath(false).AsUTF8Unsafe());