Reland Switch Chrome Android using v8 arch specific external data name

gin/v8_initializer.cc

Index: gin/v8_initializer.cc
diff --git a/gin/v8_initializer.cc b/gin/v8_initializer.cc
index 810225c9c8664bccf461c8af75933e24b2539f1f..8bcc78dfa772568d61de2a46bb56e0eaaee95a9d 100644
--- a/gin/v8_initializer.cc
+++ b/gin/v8_initializer.cc
@@ -53,8 +53,19 @@ base::PlatformFile g_snapshot_pf = kInvalidPlatformFile;
 base::MemoryMappedFile::Region g_natives_region;
 base::MemoryMappedFile::Region g_snapshot_region;
 
+#if defined(OS_ANDROID)
+#ifdef __LP64__
+const char kNativesFileName[] = "natives_blob_64.bin";
+const char kSnapshotFileName[] = "snapshot_blob_64.bin";
+#else
+const char kNativesFileName[] = "natives_blob_32.bin";
+const char kSnapshotFileName[] = "snapshot_blob_32.bin";
+#endif // __LP64__
+
+#else  // defined(OS_ANDROID)
 const char kNativesFileName[] = "natives_blob.bin";
 const char kSnapshotFileName[] = "snapshot_blob.bin";
+#endif  // defined(OS_ANDROID)
 
 void GetV8FilePath(const char* file_name, base::FilePath* path_out) {
 #if !defined(OS_MACOSX)