Revert "Add SkCharacterization creation helper to GrContextThreadSafeProxy"

This reverts commit d76e56d93c27856b10d6636882a5ffcd79a9d967.

Reason for revert: broke NexusPlayer Vulkan

Original change's description:
> Add SkCharacterization creation helper to GrContextThreadSafeProxy
> 
> Change-Id: I8ad7cf335f2b586cf501eaa70573690fbbd53efa
> Reviewed-on: https://skia-review.googlesource.com/106105
> Reviewed-by: Brian Salomon <bsalomon@google.com>
> Commit-Queue: Robert Phillips <robertphillips@google.com>

TBR=egdaniel@google.com,bsalomon@google.com,robertphillips@google.com

Change-Id: I72b75ff700d39839f7207955566e48bb544aaf6b
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://skia-review.googlesource.com/106968
Reviewed-by: Cary Clark <caryclark@google.com>
Commit-Queue: Cary Clark <caryclark@google.com>

1 files changed, 0 insertions, 63 deletions

diff --git a/include/gpu/GrBackendSurface.h b/include/gpu/GrBackendSurface.h
index d28ef8af98..ffe422d0a7 100644
--- a/include/gpu/GrBackendSurface.h
+++ b/include/gpu/GrBackendSurface.h
@@ -16,69 +16,6 @@
 #include "vk/GrVkTypes.h"
 #endif
 
-class SK_API GrBackendFormat {
-public:
-    // Creates an invalid backend format.
-    GrBackendFormat() : fValid(false) {}
-
-    static GrBackendFormat MakeGL(GrGLenum format, GrGLenum target) {
-        return GrBackendFormat(format, target);
-    }
-
-#ifdef SK_VULKAN
-    static GrBackendFormat MakeVK(VkFormat format) {
-        return GrBackendFormat(format);
-    }
-#endif
-
-    static GrBackendFormat MakeMock(GrPixelConfig config) {
-        return GrBackendFormat(config);
-    }
-
-    GrBackend backend() const {return fBackend; }
-
-    // If the backend API is GL, these return a pointer to the format and target. Otherwise
-    // it returns nullptr.
-    const GrGLenum* getGLFormat() const;
-    const GrGLenum* getGLTarget() const;
-
-#ifdef SK_VULKAN
-    // If the backend API is Vulkan, this returns a pointer to a VkFormat. Otherwise
-    // it returns nullptr
-    const VkFormat* getVkFormat() const;
-#endif
-
-    // If the backend API is Mock, this returns a pointer to a GrPixelConfig. Otherwise
-    // it returns nullptr.
-    const GrPixelConfig* getMockFormat() const;
-
-    // Returns true if the backend format has been initialized.
-    bool isValid() const { return fValid; }
-
-private:
-    GrBackendFormat(GrGLenum format, GrGLenum target);
-
-#ifdef SK_VULKAN
-    GrBackendFormat(const VkFormat vkFormat);
-#endif
-
-    GrBackendFormat(const GrPixelConfig config);
-
-    GrBackend fBackend;
-    bool      fValid;
-
-    union {
-        struct {
-            GrGLenum fGLTarget; // GL_TEXTURE_2D, GL_TEXTURE_EXTERNAL or GL_TEXTURE_RECTANGLE
-            GrGLenum fGLFormat; // the sized, internal format of the GL resource
-        };
-#ifdef SK_VULKAN
-        VkFormat      fVkFormat;
-#endif
-        GrPixelConfig fMockFormat;
-    };
-};
-
 class SK_API GrBackendTexture {
 public:
     // Creates an invalid backend texture.