DelegatedFrameHost should not allocate a new local surface id on frame eviction

content/browser/renderer_host/render_widget_host_view_aura_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/renderer_host/render_widget_host_view_aura.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <tuple>
@@ skipping 403 matching lines @@
           last_copy_request_->texture_mailbox().sync_token());
       gl_helper->ResizeTexture(texture, window()->bounds().size());
       gl_helper->DeleteTexture(texture);
     }
   }
 
   cc::SurfaceId surface_id() const {
     return GetDelegatedFrameHost()->SurfaceIdForTesting();
   }
 
-  const cc::LocalSurfaceId& GetLocalSurfaceId() const {
-    return GetDelegatedFrameHost()->LocalSurfaceIdForTesting();
+  bool HasFrameData() const {
+    return GetDelegatedFrameHost()->HasFrameForTesting();
   }
 
-  bool HasFrameData() const { return GetLocalSurfaceId().is_valid(); }
-
   bool released_front_lock_active() const {
     return GetDelegatedFrameHost()->ReleasedFrontLockActiveForTesting();
   }
 
   void ReclaimResources(const cc::ReturnedResourceArray& resources) {
     GetDelegatedFrameHost()->ReclaimResources(resources);
   }
 
   void ResetCompositor() { GetDelegatedFrameHost()->ResetCompositor(); }
 
@@ skipping 4375 matching lines @@
     // There is no composition in the beginning.
     EXPECT_FALSE(has_composition_text());
     SetHasCompositionTextToTrue();
     view->ImeCancelComposition();
     // The composition must have been canceled.
     EXPECT_FALSE(has_composition_text());
   }
 }
 
 }  // namespace content