WebGLInfo: Clean up.

src/renderers/webgl/WebGLBufferRenderer.js

@@ -18,7 +18,7 @@ function WebGLBufferRenderer( gl, extensions, info, capabilities ) {
 
 		gl.drawArrays( mode, start, count );
 
-		info.update( count, mode );
+		info.update( count, mode, 1 );
 
 	}
 

src/renderers/webgl/WebGLIndexedBufferRenderer.js

@@ -27,7 +27,7 @@ function WebGLIndexedBufferRenderer( gl, extensions, info, capabilities ) {
 
 		gl.drawElements( mode, count, type, start * bytesPerElement );
 
-		info.update( count, mode );
+		info.update( count, mode, 1 );
 
 	}
 

src/renderers/webgl/WebGLInfo.js

@@ -19,8 +19,6 @@ function WebGLInfo( gl ) {
 
 	function update( count, mode, instanceCount ) {
 
-		instanceCount = instanceCount || 1;
-
 		render.calls ++;
 
 		switch ( mode ) {