[DevTools] Prepare JavaScriptSourceFrame for multiple breakpoints per line

third_party/WebKit/Source/devtools/front_end/source_frame/SourcesTextEditor.js

Index: third_party/WebKit/Source/devtools/front_end/source_frame/SourcesTextEditor.js
diff --git a/third_party/WebKit/Source/devtools/front_end/source_frame/SourcesTextEditor.js b/third_party/WebKit/Source/devtools/front_end/source_frame/SourcesTextEditor.js
index ae5b393a998a88d188729cfa2c31668c3bf4bb8b..8f88cd19fa21394158d2fc337bce97136126fb25 100644
--- a/third_party/WebKit/Source/devtools/front_end/source_frame/SourcesTextEditor.js
+++ b/third_party/WebKit/Source/devtools/front_end/source_frame/SourcesTextEditor.js
@@ -165,38 +165,6 @@ SourceFrame.SourcesTextEditor = class extends TextEditor.CodeMirrorTextEditor {
   }
 
   /**
-   * @param {number} lineNumber
-   * @param {boolean} disabled
-   * @param {boolean} conditional
-   */
-  addBreakpoint(lineNumber, disabled, conditional) {
-    if (lineNumber < 0 || lineNumber >= this.codeMirror().lineCount())
-      return;
-
-    var className = 'cm-breakpoint' + (conditional ? ' cm-breakpoint-conditional' : '') +
-        (disabled ? ' cm-breakpoint-disabled' : '');
-    this.codeMirror().addLineClass(lineNumber, 'wrap', className);
-  }
-
-  /**
-   * @param {number} lineNumber
-   */
-  removeBreakpoint(lineNumber) {
-    if (lineNumber < 0 || lineNumber >= this.codeMirror().lineCount())
-      return;
-
-    var wrapClasses = this.codeMirror().getLineHandle(lineNumber).wrapClass;
-    if (!wrapClasses)
-      return;
-
-    var classes = wrapClasses.split(' ');
-    for (var i = 0; i < classes.length; ++i) {
-      if (classes[i].startsWith('cm-breakpoint'))
-        this.codeMirror().removeLineClass(lineNumber, 'wrap', classes[i]);
-    }
-  }
-
-  /**
    * @param {string} type
    * @param {boolean} leftToNumbers
    */