Remove framebufferRenderbuffer and framebufferTexture* from WGC3D.

third_party/WebKit/public/platform/WebGraphicsContext3D.h

Index: third_party/WebKit/public/platform/WebGraphicsContext3D.h
diff --git a/third_party/WebKit/public/platform/WebGraphicsContext3D.h b/third_party/WebKit/public/platform/WebGraphicsContext3D.h
index 7d7b77e194594b89174a345632941190a4441297..ab0c4fb5d5d084f0fc60c79df3d1ba2c33597645 100644
--- a/third_party/WebKit/public/platform/WebGraphicsContext3D.h
+++ b/third_party/WebKit/public/platform/WebGraphicsContext3D.h
@@ -211,8 +211,6 @@ public:
     virtual void enableVertexAttribArray(WGC3Duint index) = 0;
     virtual void finish() = 0;
     virtual void flush() = 0;
-    virtual void framebufferRenderbuffer(WGC3Denum target, WGC3Denum attachment, WGC3Denum renderbuffertarget, WebGLId renderbuffer) = 0;
-    virtual void framebufferTexture2D(WGC3Denum target, WGC3Denum attachment, WGC3Denum textarget, WebGLId texture, WGC3Dint level) = 0;
     virtual void frontFace(WGC3Denum mode) = 0;
     virtual void generateMipmap(WGC3Denum target) = 0;
 
@@ -434,7 +432,6 @@ public:
     virtual void drawRangeElements(WGC3Denum mode, WGC3Duint start, WGC3Duint end, WGC3Dsizei count, WGC3Denum type, WGC3Dintptr offset) { }
     virtual void endTransformFeedback(void) { }
     virtual WGC3Dsync fenceSync(WGC3Denum condition, WGC3Dbitfield flags) { return nullptr; }
-    virtual void framebufferTextureLayer(WGC3Denum target, WGC3Denum attachment, WGC3Duint texture, WGC3Dint level, WGC3Dint layer) { }
     virtual void getActiveUniformBlockName(WebGLId program, WGC3Duint uniformBlockIndex, WGC3Dsizei bufSize, WGC3Dsizei *length, WGC3Dchar *uniformBlockName) { }
     virtual void getActiveUniformBlockiv(WebGLId program, WGC3Duint uniformBlockIndex, WGC3Denum pname, WGC3Dint *params) { }
     virtual void getActiveUniformsiv(WebGLId program, WGC3Dsizei uniformCount, const WGC3Duint *uniformIndices, WGC3Denum pname, WGC3Dint *params) { }