Move WebGraphicsContext3D::Attributes to Platform::ContextAttributes.

third_party/WebKit/public/platform/WebGraphicsContext3D.h

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef WebGraphicsContext3D_h
 #define WebGraphicsContext3D_h
 
-#include "WebCommon.h"
 #include "WebNonCopyable.h"
-#include "WebString.h"
-
-namespace gpu {
-namespace gles2 {
-class GLES2Interface;
-}
-}
-
-struct GrGLInterface;
 
 namespace blink {
+class WebString;
 
 // This interface abstracts the operations performed by the
 // GraphicsContext3D in order to implement WebGL. Nearly all of the
 // methods exposed on this interface map directly to entry points in
 // the OpenGL ES 2.0 API.
 class WebGraphicsContext3D : public WebNonCopyable {
 public:
-    // Context creation attributes.
-    struct Attributes {
-        bool shareResources = true;
-        bool preferDiscreteGPU = false;
-        bool noAutomaticFlushes = false;
-        bool failIfMajorPerformanceCaveat = false;
-        unsigned webGLVersion = 0;
-        // FIXME: ideally this would be a WebURL, but it is currently not
-        // possible to pass a WebURL by value across the WebKit API boundary.
-        // See https://bugs.webkit.org/show_bug.cgi?id=103793#c13 .
-        WebString topDocumentURL;
-    };
-
     class WebGraphicsContextLostCallback {
     public:
         virtual void onContextLost() = 0;
 
     protected:
         virtual ~WebGraphicsContextLostCallback() { }
     };
 
     class WebGraphicsErrorMessageCallback {
     public:
         virtual void onErrorMessage(const WebString&, int) = 0;
 
     protected:
         virtual ~WebGraphicsErrorMessageCallback() { }
     };
 
     // This destructor needs to be public so that using classes can destroy instances if initialization fails.
     virtual ~WebGraphicsContext3D() { }
 
     virtual void setErrorMessageCallback(WebGraphicsErrorMessageCallback* callback) { }
 };
 
 } // namespace blink
 
 #endif