deps: revert 749b9c062ea from upstream V8

Original commit message:

    Remove deprecated allow code-gen callback

    BUG=chromium:732736
    R=marja@chromium.org

    Cq-Include-Trybots: master.tryserver.chromium.linux:linux_chromium_rel_ng
    Change-Id: I2c0a96b76ae977e53a418d22175bcc487f548786
    Reviewed-on: https://chromium-review.googlesource.com/543238
    Reviewed-by: Marja Hölttä <marja@chromium.org>
    Commit-Queue: Jochen Eisinger <jochen@chromium.org>
    Cr-Commit-Position: refs/heads/master@{nodejs#47509}

deps/v8/include/v8.h

@@ -6348,6 +6348,8 @@ typedef void (*FailedAccessCheckCallback)(Local<Object> target,
  * Callback to check if code generation from strings is allowed. See
  * Context::AllowCodeGenerationFromStrings.
  */
+typedef bool (*DeprecatedAllowCodeGenerationFromStringsCallback)(
+    Local<Context> context);
 typedef bool (*AllowCodeGenerationFromStringsCallback)(Local<Context> context,
                                                        Local<String> source);
 
@@ -7636,6 +7638,9 @@ class V8_EXPORT Isolate {
    */
   void SetAllowCodeGenerationFromStringsCallback(
       AllowCodeGenerationFromStringsCallback callback);
+  V8_DEPRECATED("Use callback with source parameter.",
+                void SetAllowCodeGenerationFromStringsCallback(
+                    DeprecatedAllowCodeGenerationFromStringsCallback callback));
 
   /**
    * Embedder over{ride|load} injection points for wasm APIs. The expectation
@@ -7796,6 +7801,15 @@ class V8_EXPORT V8 {
       "Use isolate version",
       void SetFatalErrorHandler(FatalErrorCallback that));
 
+  /**
+   * Set the callback to invoke to check if code generation from
+   * strings should be allowed.
+   */
+  V8_INLINE static V8_DEPRECATED(
+      "Use isolate version",
+      void SetAllowCodeGenerationFromStringsCallback(
+          DeprecatedAllowCodeGenerationFromStringsCallback that));
+
   /**
   * Check if V8 is dead and therefore unusable.  This is the case after
   * fatal errors such as out-of-memory situations.
@@ -10275,6 +10289,14 @@ void* Context::GetAlignedPointerFromEmbedderData(int index) {
 #endif
 }
 
+void V8::SetAllowCodeGenerationFromStringsCallback(
+    DeprecatedAllowCodeGenerationFromStringsCallback callback) {
+  Isolate* isolate = Isolate::GetCurrent();
+  isolate->SetAllowCodeGenerationFromStringsCallback(
+      reinterpret_cast<AllowCodeGenerationFromStringsCallback>(callback));
+}
+
+
 bool V8::IsDead() {
   Isolate* isolate = Isolate::GetCurrent();
   return isolate->IsDead();