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, 49 deletions

diff --git a/src/gpu/GrBackendSurface.cpp b/src/gpu/GrBackendSurface.cpp
index dcfbe3b5a5..16fa793d25 100644
--- a/src/gpu/GrBackendSurface.cpp
+++ b/src/gpu/GrBackendSurface.cpp
@@ -14,55 +14,6 @@
 #include "vk/GrVkUtil.h"
 #endif
 
-GrBackendFormat::GrBackendFormat(GrGLenum format, GrGLenum target)
-        : fBackend(kOpenGL_GrBackend)
-        , fValid(true)
-        , fGLTarget(target)
-        , fGLFormat(format) {
-}
-
-const GrGLenum* GrBackendFormat::getGLFormat() const {
-    if (this->isValid() && kOpenGL_GrBackend == fBackend) {
-        return &fGLFormat;
-    }
-    return nullptr;
-}
-
-const GrGLenum* GrBackendFormat::getGLTarget() const {
-    if (this->isValid() && kOpenGL_GrBackend == fBackend) {
-        return &fGLTarget;
-    }
-    return nullptr;
-}
-
-#ifdef SK_VULKAN
-GrBackendFormat::GrBackendFormat(VkFormat vkFormat)
-        : fBackend(kVulkan_GrBackend)
-        , fValid(true)
-        , fVkFormat(vkFormat) {
-}
-
-const VkFormat* GrBackendFormat::getVkFormat() const {
-    if (this->isValid() && kVulkan_GrBackend == fBackend) {
-        return &fVkFormat;
-    }
-    return nullptr;
-}
-#endif
-
-GrBackendFormat::GrBackendFormat(GrPixelConfig config)
-        : fBackend(kMock_GrBackend)
-        , fValid(true)
-        , fMockFormat(config) {
-}
-
-const GrPixelConfig* GrBackendFormat::getMockFormat() const {
-    if (this->isValid() && kMock_GrBackend == fBackend) {
-        return &fMockFormat;
-    }
-    return nullptr;
-}
-
 #ifdef SK_VULKAN
 GrBackendTexture::GrBackendTexture(int width,
                                    int height,