remove redundant getRowHeight method

lib/ace/edit_session.js

@@ -2029,7 +2029,7 @@ var EditSession = function(text, mode) {
     * - row (Number): The row number to check
     *
     *
-    * Returns the length of the indicated row.
+    * Returns number of screenrows in a wrapped line.
     **/
     this.getRowLength = function(row) {
         if (!this.$useWrapMode || !this.$wrapData[row]) {
@@ -2039,18 +2039,6 @@ var EditSession = function(text, mode) {
         }
     };
 
-    /**
-    * EditSession.getRowHeight(config, row) -> Number
-    * - config (Object): An object containing a parameter indicating the `lineHeight`.
-    * - row (Number): The row number to check
-    *
-    * Returns the height of the indicated row. This is mostly relevant for situations where wrapping occurs, and a single line spans across multiple rows.
-    *
-     **/
-    this.getRowHeight = function(config, row) {
-        return this.getRowLength(row) * config.lineHeight;
-    };
-
     /** internal, hide, related to: EditSession.documentToScreenColumn
     * EditSession.getScreenLastRowColumn(screenRow) -> Number
     * - screenRow (Number): The screen row to check

lib/ace/layer/gutter.js

@@ -129,7 +129,7 @@ var Gutter = function(parentEl) {
                 breakpoints[i] ? " ace_breakpoint " : " ",
                 annotation.className,
                 "' title='", annotation.text.join("\n"),
-                "' style='height:", this.session.getRowLength(i) * config.lineHeight, "px;'>", (i+1));
+                "' style='height:", this.session.getRowLength(i) * config.lineHeight, "px;'>", (i));
 
             if (foldWidgets) {
                 var c = foldWidgets[i];

lib/ace/test/mockrenderer.js

@@ -115,10 +115,10 @@ MockRenderer.prototype.scrollToX = function(scrollTop) {};
 MockRenderer.prototype.scrollToY = function(scrollLeft) {};
 
 MockRenderer.prototype.scrollToLine = function(line, center) {
-    var lineHeight = { lineHeight: 16 };
+    var lineHeight = 16;
     var row = 0;
     for (var l = 1; l < line; l++) {
-        row += this.session.getRowHeight(lineHeight, l-1) / lineHeight.lineHeight;
+        row += this.session.getRowLength(l-1);
     }
 
     if (center) {

lib/ace/virtual_renderer.js

@@ -775,7 +775,7 @@ var VirtualRenderer = function(container, theme) {
 
         // Map lines on the screen to lines in the document.
         var firstRowScreen, firstRowHeight;
-        var lineHeight = { lineHeight: this.lineHeight };
+        var lineHeight = this.lineHeight;
         firstRow = session.screenToDocumentRow(firstRow, 0);
 
         // Check if firstRow is inside of a foldLine. If true, then use the first
@@ -786,13 +786,13 @@ var VirtualRenderer = function(container, theme) {
         }
 
         firstRowScreen = session.documentToScreenRow(firstRow, 0);
-        firstRowHeight = session.getRowHeight(lineHeight, firstRow);
+        firstRowHeight = session.getRowLength(firstRow) * lineHeight;
 
         lastRow = Math.min(session.screenToDocumentRow(lastRow, 0), session.getLength() - 1);
-        minHeight = this.$size.scrollerHeight + session.getRowHeight(lineHeight, lastRow)+
+        minHeight = this.$size.scrollerHeight + session.getRowLength(lastRow) * lineHeight +
                                                 firstRowHeight;
 
-        offset = this.scrollTop - firstRowScreen * this.lineHeight;
+        offset = this.scrollTop - firstRowScreen * lineHeight;
 
         this.layerConfig = {
             width : longestLine,
@@ -800,7 +800,7 @@ var VirtualRenderer = function(container, theme) {
             firstRow : firstRow,
             firstRowScreen: firstRowScreen,
             lastRow : lastRow,
-            lineHeight : this.lineHeight,
+            lineHeight : lineHeight,
             characterWidth : this.characterWidth,
             minHeight : minHeight,
             maxHeight : maxHeight,