Move SkGLContext and some GrGLInterface implementations to skgputest module

tools/gpu/gl/iOS/CreatePlatformGLContext_iOS.mm

 
 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
-#include "gl/SkGLContext.h"
+#include "GLContext.h"
 #import <OpenGLES/EAGL.h>
 #include <dlfcn.h>
 
 #define EAGLCTX ((EAGLContext*)(fEAGLContext))
 
 namespace {
 
-class IOSGLContext : public SkGLContext {
+class IOSGLContext : public sk_gpu_test::GLContext {
 public:
     IOSGLContext();
     ~IOSGLContext() override;
 
 private:
     void destroyGLContext();
 
     void onPlatformMakeCurrent() const override;
     void onPlatformSwapBuffers() const override;
     GrGLFuncPtr onPlatformGetProcAddress(const char*) const override;
@@ skipping 52 matching lines @@
         SkDebugf("Could not set the context.\n");
     }
 }
 
 void IOSGLContext::onPlatformSwapBuffers() const { }
 
 GrGLFuncPtr IOSGLContext::onPlatformGetProcAddress(const char* procName) const {
     return reinterpret_cast<GrGLFuncPtr>(dlsym(fGLLibrary, procName));
 }
 
-} // anonymous namespace
+}  // anonymous namespace
 
-SkGLContext* SkCreatePlatformGLContext(GrGLStandard forcedGpuAPI, SkGLContext* shareContext) {
+namespace sk_gpu_test {
+GLContext *CreatePlatformGLContext(GrGLStandard forcedGpuAPI, GLContext *shareContext) {
     SkASSERT(!shareContext);
     if (shareContext) {
         return NULL;
     }
     if (kGL_GrGLStandard == forcedGpuAPI) {
         return NULL;
     }
-    IOSGLContext* ctx = new IOSGLContext;
+    IOSGLContext *ctx = new IOSGLContext;
     if (!ctx->isValid()) {
         delete ctx;
         return NULL;
     }
     return ctx;
 }
+}