[Ozone-DRI] Reuse framebuffer when re-enabling CRTC

ui/ozone/platform/dri/test/mock_dri_wrapper.h

 // Copyright 2014 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.
 
 #ifndef UI_OZONE_PLATFORM_DRI_TEST_MOCK_DRI_WRAPPER_H_
 #define UI_OZONE_PLATFORM_DRI_TEST_MOCK_DRI_WRAPPER_H_
 
 #include <queue>
 #include <vector>
 
@@ skipping 45 matching lines @@
     controllers_ = controllers;
   }
 
   // DriWrapper:
   ScopedDrmCrtcPtr GetCrtc(uint32_t crtc_id) override;
   bool SetCrtc(uint32_t crtc_id,
                uint32_t framebuffer,
                std::vector<uint32_t> connectors,
                drmModeModeInfo* mode) override;
   bool SetCrtc(drmModeCrtc* crtc, std::vector<uint32_t> connectors) override;
+  bool DisableCrtc(uint32_t crtc_id) override;
   ScopedDrmConnectorPtr GetConnector(uint32_t connector_id) override;
   bool AddFramebuffer(uint32_t width,
                       uint32_t height,
                       uint8_t depth,
                       uint8_t bpp,
                       uint32_t stride,
                       uint32_t handle,
                       uint32_t* framebuffer) override;
   bool RemoveFramebuffer(uint32_t framebuffer) override;
   ScopedDrmFramebufferPtr GetFramebuffer(uint32_t framebuffer) override;
@@ skipping 45 matching lines @@
   std::vector<skia::RefPtr<SkSurface> > buffers_;
 
   std::queue<CrtcController*> controllers_;
 
   DISALLOW_COPY_AND_ASSIGN(MockDriWrapper);
 };
 
 }  // namespace ui
 
 #endif  // UI_OZONE_PLATFORM_DRI_TEST_MOCK_DRI_WRAPPER_H_