Revert of Move SkGLContext and some GrGLInterface implementations to skgputest module

tools/gpu/gl/command_buffer/GLContext_command_buffer.h

Index: tools/gpu/gl/command_buffer/GLContext_command_buffer.h
diff --git a/tools/gpu/gl/command_buffer/GLContext_command_buffer.h b/tools/gpu/gl/command_buffer/GLContext_command_buffer.h
deleted file mode 100644
index 73f02e2c784f970fdb919705c5e47f6193cddaa4..0000000000000000000000000000000000000000
--- a/tools/gpu/gl/command_buffer/GLContext_command_buffer.h
+++ /dev/null
@@ -1,68 +0,0 @@
-
-/*
- * Copyright 2015 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#ifndef GLContext_command_buffer_DEFINED
-#define GLContext_command_buffer_DEFINED
-
-#include "gl/GLContext.h"
-
-namespace sk_gpu_test {
-class CommandBufferGLContext : public GLContext {
-public:
-    ~CommandBufferGLContext() override;
-
-    static CommandBufferGLContext *Create() {
-        CommandBufferGLContext *ctx = new CommandBufferGLContext;
-        if (!ctx->isValid()) {
-            delete ctx;
-            return nullptr;
-        }
-        return ctx;
-    }
-
-    static CommandBufferGLContext *Create(void *nativeWindow, int msaaSampleCount) {
-        CommandBufferGLContext *ctx = new CommandBufferGLContext(nativeWindow, msaaSampleCount);
-        if (!ctx->isValid()) {
-            delete ctx;
-            return nullptr;
-        }
-        return ctx;
-    }
-
-    void presentCommandBuffer();
-
-    bool makeCurrent();
-
-    int getStencilBits();
-
-    int getSampleCount();
-
-private:
-    CommandBufferGLContext();
-
-    CommandBufferGLContext(void *nativeWindow, int msaaSampleCount);
-
-    void initializeGLContext(void *nativeWindow, const int *configAttribs,
-                             const int *surfaceAttribs);
-
-    void destroyGLContext();
-
-    void onPlatformMakeCurrent() const override;
-
-    void onPlatformSwapBuffers() const override;
-
-    GrGLFuncPtr onPlatformGetProcAddress(const char *name) const override;
-
-    void *fContext;
-    void *fDisplay;
-    void *fSurface;
-    void *fConfig;
-};
-}   // namespace sk_gpu_test
-
-#endif