Chris Bracken 8a25f39d85 Revert "Reuse texture cache in ios_external_texture_gl. (#9806)" (flutter/engine#11522)
Broke iOS builds:

    ../../flutter/shell/platform/darwin/ios/ios_external_texture_gl.mm:56:28: error: out-of-line definition of 'NeedUpdateTexture' does not match any declaration in 'flutter::IOSExternalTextureGL'
    bool IOSExternalTextureGL::NeedUpdateTexture(bool freeze) {
                           ^~~~~~~~~~~~~~~~~

This reverts commit 5dfdb4ac99547b4f01c19fcd4e4e80238b91854b.
2019-08-27 09:39:48 -07:00
..