Remove create/delete methods from WebGraphicsContext3D.

gpu/blink/webgraphicscontext3d_impl.h

Index: gpu/blink/webgraphicscontext3d_impl.h
diff --git a/gpu/blink/webgraphicscontext3d_impl.h b/gpu/blink/webgraphicscontext3d_impl.h
index e3f14bb18974c6e7ba426d0b35628c2cd47082ed..18fe3773d844501c52e8a45d30f1f152ef2d82e6 100644
--- a/gpu/blink/webgraphicscontext3d_impl.h
+++ b/gpu/blink/webgraphicscontext3d_impl.h
@@ -56,16 +56,6 @@ class GPU_BLINK_EXPORT WebGraphicsContext3DImpl
   void shaderSource(blink::WebGLId shader,
                     const blink::WGC3Dchar* string) override;
 
-  blink::WebGLId createBuffer() override;
-  blink::WebGLId createFramebuffer() override;
-  blink::WebGLId createRenderbuffer() override;
-  blink::WebGLId createTexture() override;
-
-  void deleteBuffer(blink::WebGLId) override;
-  void deleteFramebuffer(blink::WebGLId) override;
-  void deleteRenderbuffer(blink::WebGLId) override;
-  void deleteTexture(blink::WebGLId) override;
-
   void synthesizeGLError(blink::WGC3Denum) override;
 
   blink::WebString getRequestableExtensionsCHROMIUM() override;
@@ -79,18 +69,8 @@ class GPU_BLINK_EXPORT WebGraphicsContext3DImpl
   void setErrorMessageCallback(
       WebGraphicsContext3D::WebGraphicsErrorMessageCallback* callback) override;
 
-  blink::WebGLId createQueryEXT() override;
-  void deleteQueryEXT(blink::WebGLId query) override;
-
-  blink::WebGLId createValuebufferCHROMIUM() override;
-  void deleteValuebufferCHROMIUM(blink::WebGLId) override;
-
   void pushGroupMarkerEXT(const blink::WGC3Dchar* marker) override;
 
-  // GL_OES_vertex_array_object
-  blink::WebGLId createVertexArrayOES() override;
-  void deleteVertexArrayOES(blink::WebGLId array) override;
-
   // OpenGL ES 3.0 functions not represented by pre-existing extensions
   void beginTransformFeedback(blink::WGC3Denum primitiveMode) override;
   void bindBufferBase(blink::WGC3Denum target,
@@ -151,10 +131,6 @@ class GPU_BLINK_EXPORT WebGraphicsContext3DImpl
                          blink::WGC3Dint y,
                          blink::WGC3Dsizei width,
                          blink::WGC3Dsizei height) override;
-  blink::WebGLId createSampler() override;
-  blink::WebGLId createTransformFeedback() override;
-  void deleteSampler(blink::WebGLId sampler) override;
-  void deleteTransformFeedback(blink::WebGLId transformfeedback) override;
   void endTransformFeedback(void) override;
   void getActiveUniformBlockName(blink::WGC3Duint program,
                                  blink::WGC3Duint uniformBlockIndex,