Refactor context creation parameters into a struct.

ui/gl/init/gl_factory_android.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/gl/init/gl_factory.h"
 
 #include "base/logging.h"
 #include "base/trace_event/trace_event.h"
 #include "ui/gl/gl_bindings.h"
 #include "ui/gl/gl_context.h"
@@ skipping 15 matching lines @@
 
 // Used to render into an already current context+surface,
 // that we do not have ownership of (draw callback).
 // TODO(boliu): Make this inherit from GLContextEGL.
 class GLNonOwnedContext : public GLContextReal {
  public:
   explicit GLNonOwnedContext(GLShareGroup* share_group);
 
   // Implement GLContext.
   bool Initialize(GLSurface* compatible_surface,
-                  GpuPreference gpu_preference) override;
+                  const GLContextAttribs& attribs) override;
   bool MakeCurrent(GLSurface* surface) override;
   void ReleaseCurrent(GLSurface* surface) override {}
   bool IsCurrent(GLSurface* surface) override { return true; }
   void* GetHandle() override { return nullptr; }
   void OnSetSwapInterval(int interval) override {}
   std::string GetExtensions() override;
 
  protected:
   ~GLNonOwnedContext() override {}
 
  private:
   EGLDisplay display_;
 
   DISALLOW_COPY_AND_ASSIGN(GLNonOwnedContext);
 };
 
 GLNonOwnedContext::GLNonOwnedContext(GLShareGroup* share_group)
     : GLContextReal(share_group), display_(nullptr) {}
 
 bool GLNonOwnedContext::Initialize(GLSurface* compatible_surface,
-                                   GpuPreference gpu_preference) {
+                                   const GLContextAttribs& attribs) {
   display_ = eglGetDisplay(EGL_DEFAULT_DISPLAY);
   return true;
 }
 
 bool GLNonOwnedContext::MakeCurrent(GLSurface* surface) {
   SetRealGLApi();
   SetCurrent(surface);
   InitializeDynamicBindings();
   return true;
 }
@@ skipping 19 matching lines @@
   switch (GetGLImplementation()) {
     case kGLImplementationEGLGLES2:
       return GetGLWindowSystemBindingInfoEGL(info);
     default:
       return false;
   }
 }
 
 scoped_refptr<GLContext> CreateGLContext(GLShareGroup* share_group,
                                          GLSurface* compatible_surface,
-                                         GpuPreference gpu_preference) {
+                                         const GLContextAttribs& attribs) {
   TRACE_EVENT0("gpu", "gl::init::CreateGLContext");
   switch (GetGLImplementation()) {
     case kGLImplementationMockGL:
       return scoped_refptr<GLContext>(new GLContextStub(share_group));
     case kGLImplementationOSMesaGL:
       return InitializeGLContext(new GLContextOSMesa(share_group),
-                                 compatible_surface, gpu_preference);
+                                 compatible_surface, attribs);
     default:
       if (compatible_surface->GetHandle()) {
         return InitializeGLContext(new GLContextEGL(share_group),
-                                   compatible_surface, gpu_preference);
+                                   compatible_surface, attribs);
       } else {
         return InitializeGLContext(new GLNonOwnedContext(share_group),
-                                   compatible_surface, gpu_preference);
+                                   compatible_surface, attribs);
       }
   }
 }
 
 scoped_refptr<GLSurface> CreateViewGLSurface(gfx::AcceleratedWidget window) {
   TRACE_EVENT0("gpu", "gl::init::CreateViewGLSurface");
   CHECK_NE(kGLImplementationNone, GetGLImplementation());
   switch (GetGLImplementation()) {
     case kGLImplementationOSMesaGL:
       return InitializeGLSurface(new GLSurfaceOSMesaHeadless());
@@ skipping 29 matching lines @@
     case kGLImplementationMockGL:
       return new GLSurfaceStub;
     default:
       NOTREACHED();
       return nullptr;
   }
 }
 
 }  // namespace init
 }  // namespace gl