Revert of Move SkGLContext and some GrGLInterface implementations to skgputest module (patchset #13 id:240001 of https://codereview.chromium.org/1815823002/ )

Reason for revert:
red bots

Original issue's description:
> Move SkGLContext and some GrGLInterface implementations to skgputest module
>
> BUG=skia:
> GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1815823002
> CQ_EXTRA_TRYBOTS=client.skia.compile:Build-Ubuntu-GCC-x86_64-Release-CMake-Trybot,Build-Mac-Clang-x86_64-Release-CMake-Trybot
>
> Committed: https://skia.googlesource.com/skia/+/fe3456cb006110d045b26ff3f8681b893a757b58

TBR=jvanverth@google.com,bsalomon@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Review URL: https://codereview.chromium.org/1845473004

1 files changed, 0 insertions, 145 deletions

diff --git a/tools/gpu/GrContextFactory.h b/tools/gpu/GrContextFactory.h
deleted file mode 100644
index 7e5c10e039..0000000000
--- a/tools/gpu/GrContextFactory.h
+++ /dev/null
@@ -1,145 +0,0 @@
-/*
- * Copyright 2012 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#ifndef GrContextFactory_DEFINED
-#define GrContextFactory_DEFINED
-
-#include "GrContext.h"
-#include "GrContextOptions.h"
-
-#include "gl/GLContext.h"
-#include "SkTArray.h"
-
-namespace sk_gpu_test {
-/**
- * This is a simple class that is useful in test apps that use different
- * GrContexts backed by different types of GL contexts. It manages creating the
- * GL context and a GrContext that uses it. The GL/Gr contexts persist until the
- * factory is destroyed (though the caller can always grab a ref on the returned
- * Gr and GL contexts to make them outlive the factory).
- */
-class GrContextFactory : SkNoncopyable {
-public:
-    enum GLContextType {
-        kNative_GLContextType,  //! OpenGL or OpenGL ES context.
-        kGL_GLContextType,      //! OpenGL context.
-        kGLES_GLContextType,    //! OpenGL ES context.
-#if SK_ANGLE
-#ifdef SK_BUILD_FOR_WIN
-        kANGLE_GLContextType,    //! ANGLE on DirectX OpenGL ES context.
-#endif
-        kANGLE_GL_GLContextType, //! ANGLE on OpenGL OpenGL ES context.
-#endif
-#if SK_COMMAND_BUFFER
-        kCommandBuffer_GLContextType, //! Chromium command buffer OpenGL ES context.
-#endif
-#if SK_MESA
-        kMESA_GLContextType,  //! MESA OpenGL context
-#endif
-        kNull_GLContextType,  //! Non-rendering OpenGL mock context.
-        kDebug_GLContextType, //! Non-rendering, state verifying OpenGL context.
-        kLastGLContextType = kDebug_GLContextType
-    };
-
-    static const int kGLContextTypeCnt = kLastGLContextType + 1;
-
-    /**
-     * Options for GL context creation. For historical and testing reasons the options will default
-     * to not using GL_NV_path_rendering extension  even when the driver supports it.
-     */
-    enum GLContextOptions {
-        kNone_GLContextOptions = 0,
-        kEnableNVPR_GLContextOptions = 0x1,
-    };
-
-    static bool IsRenderingGLContext(GLContextType type) {
-        switch (type) {
-            case kNull_GLContextType:
-            case kDebug_GLContextType:
-                return false;
-            default:
-                return true;
-        }
-    }
-
-    static const char* GLContextTypeName(GLContextType type) {
-        switch (type) {
-            case kNative_GLContextType:
-                return "native";
-            case kGL_GLContextType:
-                return "gl";
-            case kGLES_GLContextType:
-                return "gles";
-#if SK_ANGLE
-#ifdef SK_BUILD_FOR_WIN
-            case kANGLE_GLContextType:
-                return "angle";
-#endif
-            case kANGLE_GL_GLContextType:
-                return "angle-gl";
-#endif
-#if SK_COMMAND_BUFFER
-            case kCommandBuffer_GLContextType:
-                return "commandbuffer";
-#endif
-#if SK_MESA
-            case kMESA_GLContextType:
-                return "mesa";
-#endif
-            case kNull_GLContextType:
-                return "null";
-            case kDebug_GLContextType:
-                return "debug";
-            default:
-                SkFAIL("Unknown GL Context type.");
-        }
-    }
-
-    explicit GrContextFactory(const GrContextOptions& opts);
-    GrContextFactory();
-
-    ~GrContextFactory();
-
-    void destroyContexts();
-    void abandonContexts();
-
-    struct ContextInfo {
-        ContextInfo()
-            : fGrContext(nullptr), fGLContext(nullptr) { }
-        ContextInfo(GrContext* grContext, GLContext* glContext)
-            : fGrContext(grContext), fGLContext(glContext) { }
-        GrContext* fGrContext;
-        GLContext* fGLContext; //! Valid until the factory destroys it via abandonContexts() or
-                               //! destroyContexts().
-    };
-
-    /**
-     * Get a context initialized with a type of GL context. It also makes the GL context current.
-     */
-    ContextInfo getContextInfo(GLContextType type,
-                               GLContextOptions options = kNone_GLContextOptions);
-    /**
-     * Get a GrContext initialized with a type of GL context. It also makes the GL context current.
-     */
-    GrContext* get(GLContextType type,
-                   GLContextOptions options = kNone_GLContextOptions) {
-        return this->getContextInfo(type, options).fGrContext;
-    }
-    const GrContextOptions& getGlobalOptions() const { return fGlobalOptions; }
-
-private:
-    struct Context {
-        GLContextType       fType;
-        GLContextOptions    fOptions;
-        GLContext*          fGLContext;
-        GrContext*          fGrContext;
-    };
-    SkTArray<Context, true> fContexts;
-    const GrContextOptions  fGlobalOptions;
-};
-}  // namespace sk_gpu_test
-#endif