Skip TileManager::IsReadyToActivate and IsReadyToDraw computation if not needed. |
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Issue descriptionIn TileManager::IssueSignals(), we always compute IsReadyToActivate and IsReadyToDraw, and call the respective TileManagerClient callbacks. In some cases, the TileManagerClient may not need these callbacks, for example we can not Activate if there is no Pending tree. Consider some client API to allow skipping these. |
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Comment 1 by vmi...@chromium.org
, Sep 4