diff -up chromium-92.0.4515.107/components/cast_channel/enum_table.h.EnumTable-crash chromium-92.0.4515.107/components/cast_channel/enum_table.h
--- chromium-92.0.4515.107/components/cast_channel/enum_table.h.EnumTable-crash	2021-07-19 14:45:12.000000000 -0400
+++ chromium-92.0.4515.107/components/cast_channel/enum_table.h	2021-07-26 17:41:21.987375385 -0400
@@ -212,7 +212,7 @@ class
 
   template <typename E>
   friend class EnumTable;
-  DISALLOW_COPY_AND_ASSIGN(GenericEnumTableEntry);
+  DISALLOW_ASSIGN(GenericEnumTableEntry);
 };
 
 // Yes, these constructors really needs to be inlined.  Even though they look
@@ -250,8 +250,7 @@ class EnumTable {
     // Constructor for regular entries.
     constexpr Entry(E value, base::StringPiece str)
         : GenericEnumTableEntry(static_cast<int32_t>(value), str) {}
-
-    DISALLOW_COPY_AND_ASSIGN(Entry);
+    DISALLOW_ASSIGN(Entry);
   };
 
   static_assert(sizeof(E) <= sizeof(int32_t),
@@ -306,15 +305,14 @@ class EnumTable {
     if (is_sorted_) {
       const std::size_t index = static_cast<std::size_t>(value);
       if (ANALYZER_ASSUME_TRUE(index < data_.size())) {
-        const auto& entry = data_.begin()[index];
+        const auto& entry = data_[index];
         if (ANALYZER_ASSUME_TRUE(entry.has_str()))
           return entry.str();
       }
       return absl::nullopt;
     }
     return GenericEnumTableEntry::FindByValue(
-        reinterpret_cast<const GenericEnumTableEntry*>(data_.begin()),
-        data_.size(), static_cast<int32_t>(value));
+        &data_[0], data_.size(), static_cast<int32_t>(value));
   }
 
   // This overload of GetString is designed for cases where the argument is a
@@ -342,8 +340,7 @@ class EnumTable {
   // enum value directly.
   absl::optional<E> GetEnum(base::StringPiece str) const {
     auto* entry = GenericEnumTableEntry::FindByString(
-        reinterpret_cast<const GenericEnumTableEntry*>(data_.begin()),
-        data_.size(), str);
+        &data_[0], data_.size(), str);
     return entry ? static_cast<E>(entry->value) : absl::optional<E>();
   }
 
@@ -358,7 +355,7 @@ class EnumTable {
   // Align the data on a cache line boundary.
   alignas(64)
 #endif
-      std::initializer_list<Entry> data_;
+      const std::vector<Entry> data_;
   bool is_sorted_;
 
   constexpr EnumTable(std::initializer_list<Entry> data, bool is_sorted)
@@ -370,8 +367,8 @@ class EnumTable {
 
     for (std::size_t i = 0; i < data.size(); i++) {
       for (std::size_t j = i + 1; j < data.size(); j++) {
-        const Entry& ei = data.begin()[i];
-        const Entry& ej = data.begin()[j];
+        const Entry& ei = data[i];
+        const Entry& ej = data[j];
         DCHECK(ei.value != ej.value)
             << "Found duplicate enum values at indices " << i << " and " << j;
         DCHECK(!(ei.has_str() && ej.has_str() && ei.str() == ej.str()))