Reduce size of dactyloscoper.h

Reduces the estimated pre-processed size by ~2.1M.

Bug: 242216
Change-Id: I68ea30c3c7437dffc5667d26d8972276c7d79792
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2396302
Auto-Submit: Fredrik Söderquist <fs@opera.com>
Commit-Queue: Kent Tamura <tkent@chromium.org>
Reviewed-by: Kent Tamura <tkent@chromium.org>
Cr-Commit-Position: refs/heads/master@{#804817}

third_party/blink/renderer/core/frame/dactyloscoper.cc

@@ -11,6 +11,7 @@
 #include "third_party/blink/renderer/core/frame/local_dom_window.h"
 #include "third_party/blink/renderer/core/frame/local_frame.h"
 #include "third_party/blink/renderer/core/loader/document_loader.h"
+#include "third_party/blink/renderer/core/svg/svg_string_list_tear_off.h"
 #include "third_party/blink/renderer/platform/privacy_budget/identifiability_digest_helpers.h"
 
 namespace blink {

third_party/blink/renderer/core/frame/dactyloscoper.h

@@ -9,8 +9,7 @@
 #include "third_party/blink/public/common/privacy_budget/identifiable_token.h"
 #include "third_party/blink/public/common/privacy_budget/identifiable_token_builder.h"
 #include "third_party/blink/renderer/core/core_export.h"
-#include "third_party/blink/renderer/core/frame/web_feature.h"
-#include "third_party/blink/renderer/core/svg/svg_string_list_tear_off.h"
+#include "third_party/blink/renderer/core/frame/web_feature_forward.h"
 #include "third_party/blink/renderer/core/typed_arrays/array_buffer_view_helpers.h"
 #include "third_party/blink/renderer/core/typed_arrays/dom_typed_array.h"
 #include "third_party/blink/renderer/platform/wtf/allocator/allocator.h"
@@ -20,6 +19,7 @@
 namespace blink {
 
 class ExecutionContext;
+class SVGStringListTearOff;
 
 class CORE_EXPORT Dactyloscoper {
   DISALLOW_NEW();