Android: Don't destroy LayerTreeHost when Surface goes away

chrome/browser/android/compositor/tab_content_manager.h

Index: chrome/browser/android/compositor/tab_content_manager.h
diff --git a/chrome/browser/android/compositor/tab_content_manager.h b/chrome/browser/android/compositor/tab_content_manager.h
index 78dec23cb5956fe3b4ba12fb2b20400151ec23cb..40465bb81a7aa5972cb207f25ef291549a7f8c48 100644
--- a/chrome/browser/android/compositor/tab_content_manager.h
+++ b/chrome/browser/android/compositor/tab_content_manager.h
@@ -48,9 +48,6 @@ class TabContentManager : public ThumbnailCacheObserver {
 
   void Destroy(JNIEnv* env, jobject obj);
 
-  void SetUIResourceProvider(JNIEnv* env,
-                             jobject obj,
-                             jlong ui_resource_provider_ptr);
   void SetUIResourceProvider(ui::UIResourceProvider* ui_resource_provider);
 
   // Get the live layer from the cache.
@@ -90,6 +87,7 @@ class TabContentManager : public ThumbnailCacheObserver {
                                               jobject obj,
                                               jint min_forbidden_id);
   void GetDecompressedThumbnail(JNIEnv* env, jobject obj, jint tab_id);
+  void OnUIResourcesWereEvicted();
 
   // ThumbnailCacheObserver implementation;
   void OnFinishedThumbnailRead(TabId tab_id) override;