| Index: ios/chrome/browser/tabs/BUILD.gn
 | 
| diff --git a/ios/chrome/browser/tabs/BUILD.gn b/ios/chrome/browser/tabs/BUILD.gn
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| index 4e28b1c6c93f80923488d82e5d2f25247e6d6ecd..c7d2f3454fd11e49ed63d0890b3c5af42f83ac62 100644
 | 
| --- a/ios/chrome/browser/tabs/BUILD.gn
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| +++ b/ios/chrome/browser/tabs/BUILD.gn
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| @@ -34,8 +34,6 @@ source_set("tabs") {
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|  source_set("tabs_internal") {
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|    sources = [
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|      "tab_model.mm",
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| -    "tab_model_synced_window_delegate.mm",
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| -    "tab_model_synced_window_delegate_getter.mm",
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|    ]
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|    deps = [
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|      ":tabs",
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| @@ -134,6 +132,8 @@ source_set("tabs_internal_arc") {
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|      "tab_model_observers_bridge.mm",
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|      "tab_model_selected_tab_observer.h",
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|      "tab_model_selected_tab_observer.mm",
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| +    "tab_model_synced_window_delegate.mm",
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| +    "tab_model_synced_window_delegate_getter.mm",
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|      "tab_model_web_state_list_delegate.h",
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|      "tab_model_web_state_list_delegate.mm",
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|      "tab_parenting_observer.h",
 | 
| 
 |