Updating the Chromium reference build for Windows. The continuous...

resources/inspector/ScriptsPanel.js

Index: resources/inspector/ScriptsPanel.js
===================================================================
--- resources/inspector/ScriptsPanel.js	(revision 33840)
+++ resources/inspector/ScriptsPanel.js	(working copy)
@@ -1,910 +0,0 @@
-/*
- * Copyright (C) 2008 Apple Inc. All Rights Reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-WebInspector.ScriptsPanel = function()
-{
-    WebInspector.Panel.call(this);
-
-    this.element.addStyleClass("scripts");
-
-    this.topStatusBar = document.createElement("div");
-    this.topStatusBar.className = "status-bar";
-    this.topStatusBar.id = "scripts-status-bar";
-    this.element.appendChild(this.topStatusBar);
-
-    this.backButton = document.createElement("button");
-    this.backButton.className = "status-bar-item";
-    this.backButton.id = "scripts-back";
-    this.backButton.title = WebInspector.UIString("Show the previous script resource.");
-    this.backButton.disabled = true;
-    this.backButton.appendChild(document.createElement("img"));
-    this.backButton.addEventListener("click", this._goBack.bind(this), false);
-    this.topStatusBar.appendChild(this.backButton);
-
-    this.forwardButton = document.createElement("button");
-    this.forwardButton.className = "status-bar-item";
-    this.forwardButton.id = "scripts-forward";
-    this.forwardButton.title = WebInspector.UIString("Show the next script resource.");
-    this.forwardButton.disabled = true;
-    this.forwardButton.appendChild(document.createElement("img"));
-    this.forwardButton.addEventListener("click", this._goForward.bind(this), false);
-    this.topStatusBar.appendChild(this.forwardButton);
-
-    this.filesSelectElement = document.createElement("select");
-    this.filesSelectElement.className = "status-bar-item";
-    this.filesSelectElement.id = "scripts-files";
-    this.filesSelectElement.addEventListener("change", this._changeVisibleFile.bind(this), false);
-    this.filesSelectElement.handleKeyEvent = this.handleKeyEvent.bind(this);
-    this.topStatusBar.appendChild(this.filesSelectElement);
-
-    this.functionsSelectElement = document.createElement("select");
-    this.functionsSelectElement.className = "status-bar-item";
-    this.functionsSelectElement.id = "scripts-functions";
-
-    // FIXME: append the functions select element to the top status bar when it is implemented.
-    // this.topStatusBar.appendChild(this.functionsSelectElement);
-
-    this.sidebarButtonsElement = document.createElement("div");
-    this.sidebarButtonsElement.id = "scripts-sidebar-buttons";
-    this.topStatusBar.appendChild(this.sidebarButtonsElement);
-
-    this.pauseButton = document.createElement("button");
-    this.pauseButton.className = "status-bar-item";
-    this.pauseButton.id = "scripts-pause";
-    this.pauseButton.title = WebInspector.UIString("Pause script execution.");
-    this.pauseButton.disabled = true;
-    this.pauseButton.appendChild(document.createElement("img"));
-    this.pauseButton.addEventListener("click", this._togglePause.bind(this), false);
-    this.sidebarButtonsElement.appendChild(this.pauseButton);
-
-    this.stepOverButton = document.createElement("button");
-    this.stepOverButton.className = "status-bar-item";
-    this.stepOverButton.id = "scripts-step-over";
-    this.stepOverButton.title = WebInspector.UIString("Step over next function call.");
-    this.stepOverButton.disabled = true;
-    this.stepOverButton.addEventListener("click", this._stepOverClicked.bind(this), false);
-    this.stepOverButton.appendChild(document.createElement("img"));
-    this.sidebarButtonsElement.appendChild(this.stepOverButton);
-
-    this.stepIntoButton = document.createElement("button");
-    this.stepIntoButton.className = "status-bar-item";
-    this.stepIntoButton.id = "scripts-step-into";
-    this.stepIntoButton.title = WebInspector.UIString("Step into next function call.");
-    this.stepIntoButton.disabled = true;
-    this.stepIntoButton.addEventListener("click", this._stepIntoClicked.bind(this), false);
-    this.stepIntoButton.appendChild(document.createElement("img"));
-    this.sidebarButtonsElement.appendChild(this.stepIntoButton);
-
-    this.stepOutButton = document.createElement("button");
-    this.stepOutButton.className = "status-bar-item";
-    this.stepOutButton.id = "scripts-step-out";
-    this.stepOutButton.title = WebInspector.UIString("Step out of current function.");
-    this.stepOutButton.disabled = true;
-    this.stepOutButton.addEventListener("click", this._stepOutClicked.bind(this), false);
-    this.stepOutButton.appendChild(document.createElement("img"));
-    this.sidebarButtonsElement.appendChild(this.stepOutButton);
-
-    this.debuggerStatusElement = document.createElement("div");
-    this.debuggerStatusElement.id = "scripts-debugger-status";
-    this.sidebarButtonsElement.appendChild(this.debuggerStatusElement);
-
-    this.viewsContainerElement = document.createElement("div");
-    this.viewsContainerElement.id = "script-resource-views";
-
-    this.sidebarElement = document.createElement("div");
-    this.sidebarElement.id = "scripts-sidebar";
-
-    this.sidebarResizeElement = document.createElement("div");
-    this.sidebarResizeElement.className = "sidebar-resizer-vertical";
-    this.sidebarResizeElement.addEventListener("mousedown", this._startSidebarResizeDrag.bind(this), false);
-
-    this.sidebarResizeWidgetElement = document.createElement("div");
-    this.sidebarResizeWidgetElement.id = "scripts-sidebar-resizer-widget";
-    this.sidebarResizeWidgetElement.addEventListener("mousedown", this._startSidebarResizeDrag.bind(this), false);
-    this.topStatusBar.appendChild(this.sidebarResizeWidgetElement);
-
-    this.sidebarPanes = {};
-    this.sidebarPanes.watchExpressions = new WebInspector.WatchExpressionsSidebarPane();
-    this.sidebarPanes.callstack = new WebInspector.CallStackSidebarPane();
-    this.sidebarPanes.scopechain = new WebInspector.ScopeChainSidebarPane();
-    this.sidebarPanes.breakpoints = new WebInspector.BreakpointsSidebarPane();
-
-    for (var pane in this.sidebarPanes)
-        this.sidebarElement.appendChild(this.sidebarPanes[pane].element);
-
-    this.sidebarPanes.callstack.expanded = true;
-    this.sidebarPanes.callstack.addEventListener("call frame selected", this._callFrameSelected, this);
-
-    this.sidebarPanes.scopechain.expanded = true;
-    this.sidebarPanes.breakpoints.expanded = true;
-
-    var panelEnablerHeading = WebInspector.UIString("You need to enable debugging before you can use the Scripts panel.");
-    var panelEnablerDisclaimer = WebInspector.UIString("Enabling debugging will make scripts run slower.");
-    var panelEnablerButton = WebInspector.UIString("Enable Debugging");
-
-    this.panelEnablerView = new WebInspector.PanelEnablerView("scripts", panelEnablerHeading, panelEnablerDisclaimer, panelEnablerButton);
-    this.panelEnablerView.addEventListener("enable clicked", this._enableDebugging, this);
-
-    this.element.appendChild(this.panelEnablerView.element);
-    this.element.appendChild(this.viewsContainerElement);
-    this.element.appendChild(this.sidebarElement);
-    this.element.appendChild(this.sidebarResizeElement);
-
-    this.enableToggleButton = new WebInspector.StatusBarButton("", "enable-toggle-status-bar-item");
-    this.enableToggleButton.addEventListener("click", this._toggleDebugging.bind(this), false);
-
-    this.pauseOnExceptionButton = new WebInspector.StatusBarButton("", "scripts-pause-on-exceptions-status-bar-item");
-    this.pauseOnExceptionButton.addEventListener("click", this._togglePauseOnExceptions.bind(this), false);
-
-    this._breakpointsURLMap = {};
-
-    this._shortcuts = {};
-
-    var isMac = InspectorController.platform().indexOf("mac-") === 0;
-    var platformSpecificModifier = isMac ? WebInspector.KeyboardShortcut.Modifiers.Meta : WebInspector.KeyboardShortcut.Modifiers.Ctrl;
-
-    // Continue.
-    var handler = this.pauseButton.click.bind(this.pauseButton);
-    var shortcut = WebInspector.KeyboardShortcut.makeKey(WebInspector.KeyboardShortcut.KeyCodes.F8);
-    this._shortcuts[shortcut] = handler;
-    var shortcut = WebInspector.KeyboardShortcut.makeKey(WebInspector.KeyboardShortcut.KeyCodes.Slash, platformSpecificModifier);
-    this._shortcuts[shortcut] = handler;
-
-    // Step over.
-    var handler = this.stepOverButton.click.bind(this.stepOverButton);
-    var shortcut = WebInspector.KeyboardShortcut.makeKey(WebInspector.KeyboardShortcut.KeyCodes.F10);
-    this._shortcuts[shortcut] = handler;
-    var shortcut = WebInspector.KeyboardShortcut.makeKey(WebInspector.KeyboardShortcut.KeyCodes.SingleQuote, platformSpecificModifier);
-    this._shortcuts[shortcut] = handler;
-
-    // Step into.
-    var handler = this.stepIntoButton.click.bind(this.stepIntoButton);
-    var shortcut = WebInspector.KeyboardShortcut.makeKey(WebInspector.KeyboardShortcut.KeyCodes.F11);
-    this._shortcuts[shortcut] = handler;
-    var shortcut = WebInspector.KeyboardShortcut.makeKey(WebInspector.KeyboardShortcut.KeyCodes.Semicolon, platformSpecificModifier);
-    this._shortcuts[shortcut] = handler;
-
-    // Step out.
-    var handler = this.stepOutButton.click.bind(this.stepOutButton);
-    var shortcut = WebInspector.KeyboardShortcut.makeKey(WebInspector.KeyboardShortcut.KeyCodes.F11, WebInspector.KeyboardShortcut.Modifiers.Shift);
-    this._shortcuts[shortcut] = handler;
-    var shortcut = WebInspector.KeyboardShortcut.makeKey(WebInspector.KeyboardShortcut.KeyCodes.Semicolon, WebInspector.KeyboardShortcut.Modifiers.Shift, platformSpecificModifier);
-    this._shortcuts[shortcut] = handler;
-
-    this.reset();
-}
-
-WebInspector.ScriptsPanel.prototype = {
-    toolbarItemClass: "scripts",
-
-    get toolbarItemLabel()
-    {
-        return WebInspector.UIString("Scripts");
-    },
-
-    get statusBarItems()
-    {
-        return [this.enableToggleButton.element, this.pauseOnExceptionButton.element];
-    },
-
-    get paused()
-    {
-        return this._paused;
-    },
-
-    show: function()
-    {
-        WebInspector.Panel.prototype.show.call(this);
-        this.sidebarResizeElement.style.right = (this.sidebarElement.offsetWidth - 3) + "px";
-
-        if (this.visibleView) {
-            if (this.visibleView instanceof WebInspector.ResourceView)
-                this.visibleView.headersVisible = false;
-            this.visibleView.show(this.viewsContainerElement);
-        }
-
-        // Hide any views that are visible that are not this panel's current visible view.
-        // This can happen when a ResourceView is visible in the Resources panel then switched
-        // to the this panel.
-        for (var sourceID in this._sourceIDMap) {
-            var scriptOrResource = this._sourceIDMap[sourceID];
-            var view = this._sourceViewForScriptOrResource(scriptOrResource);
-            if (!view || view === this.visibleView)
-                continue;
-            view.visible = false;
-        }
-        if (this._attachDebuggerWhenShown) {
-            InspectorController.enableDebugger(false);
-            delete this._attachDebuggerWhenShown;
-        }
-    },
-
-    get searchableViews()
-    {
-        var views = [];
-
-        const visibleView = this.visibleView;
-        if (visibleView && visibleView.performSearch) {
-            visibleView.alreadySearching = true;
-            views.push(visibleView);
-        }
-
-        for (var sourceID in this._sourceIDMap) {
-            var scriptOrResource = this._sourceIDMap[sourceID];
-            var view = this._sourceViewForScriptOrResource(scriptOrResource);
-            if (!view || !view.performSearch || view.alreadySearching)
-                continue;
-
-            view.alreadySearching = true;
-            views.push(view);
-        }
-
-        for (var i = 0; i < views.length; ++i)
-            delete views[i].alreadySearching;
-
-        return views;
-    },
-
-    addScript: function(sourceID, sourceURL, source, startingLine, errorLine, errorMessage)
-    {
-        var script = new WebInspector.Script(sourceID, sourceURL, source, startingLine, errorLine, errorMessage);
-
-        if (sourceURL in WebInspector.resourceURLMap) {
-            var resource = WebInspector.resourceURLMap[sourceURL];
-            resource.addScript(script);
-        }
-
-        if (sourceURL in this._breakpointsURLMap && sourceID) {
-            var breakpoints = this._breakpointsURLMap[sourceURL];
-            var breakpointsLength = breakpoints.length;
-            for (var i = 0; i < breakpointsLength; ++i) {
-                var breakpoint = breakpoints[i];
-                if (startingLine <= breakpoint.line) {
-                    breakpoint.sourceID = sourceID;
-                    if (breakpoint.enabled)
-                        InspectorController.addBreakpoint(breakpoint.sourceID, breakpoint.line, breakpoint.condition);
-                }
-            }
-        }
-
-        if (sourceID)
-            this._sourceIDMap[sourceID] = (resource || script);
-
-        this._addScriptToFilesMenu(script);
-    },
-
-    scriptOrResourceForID: function(id)
-    {
-        return this._sourceIDMap[id];
-    },
-
-    addBreakpoint: function(breakpoint)
-    {
-        this.sidebarPanes.breakpoints.addBreakpoint(breakpoint);
-
-        var sourceFrame;
-        if (breakpoint.url) {
-            if (!(breakpoint.url in this._breakpointsURLMap))
-                this._breakpointsURLMap[breakpoint.url] = [];
-            this._breakpointsURLMap[breakpoint.url].unshift(breakpoint);
-
-            if (breakpoint.url in WebInspector.resourceURLMap) {
-                var resource = WebInspector.resourceURLMap[breakpoint.url];
-                sourceFrame = this._sourceFrameForScriptOrResource(resource);
-            }
-        }
-
-        if (breakpoint.sourceID && !sourceFrame) {
-            var object = this._sourceIDMap[breakpoint.sourceID]
-            sourceFrame = this._sourceFrameForScriptOrResource(object);
-        }
-
-        if (sourceFrame)
-            sourceFrame.addBreakpoint(breakpoint);
-    },
-
-    removeBreakpoint: function(breakpoint)
-    {
-        this.sidebarPanes.breakpoints.removeBreakpoint(breakpoint);
-
-        var sourceFrame;
-        if (breakpoint.url && breakpoint.url in this._breakpointsURLMap) {
-            var breakpoints = this._breakpointsURLMap[breakpoint.url];
-            breakpoints.remove(breakpoint);
-            if (!breakpoints.length)
-                delete this._breakpointsURLMap[breakpoint.url];
-
-            if (breakpoint.url in WebInspector.resourceURLMap) {
-                var resource = WebInspector.resourceURLMap[breakpoint.url];
-                sourceFrame = this._sourceFrameForScriptOrResource(resource);
-            }
-        }
-
-        if (breakpoint.sourceID && !sourceFrame) {
-            var object = this._sourceIDMap[breakpoint.sourceID]
-            sourceFrame = this._sourceFrameForScriptOrResource(object);
-        }
-
-        if (sourceFrame)
-            sourceFrame.removeBreakpoint(breakpoint);
-    },
-
-    selectedCallFrameId: function()
-    {
-        var selectedCallFrame = this.sidebarPanes.callstack.selectedCallFrame;
-        if (!selectedCallFrame)
-            return null;
-        return selectedCallFrame.id;
-    },
-
-    evaluateInSelectedCallFrame: function(code, updateInterface, objectGroup, callback)
-    {
-        var selectedCallFrame = this.sidebarPanes.callstack.selectedCallFrame;
-        if (!this._paused || !selectedCallFrame)
-            return;
-
-        if (typeof updateInterface === "undefined")
-            updateInterface = true;
-
-        var self = this;
-        function updatingCallbackWrapper(result, exception)
-        {
-            callback(result, exception);
-            if (updateInterface)
-                self.sidebarPanes.scopechain.update(selectedCallFrame);
-        }
-        this.doEvalInCallFrame(selectedCallFrame, code, objectGroup, updatingCallbackWrapper);
-    },
-
-    doEvalInCallFrame: function(callFrame, code, objectGroup, callback)
-    {
-        function evalCallback(result)
-        {
-            if (result)
-                callback(result.value, result.isException);
-        }
-        InjectedScriptAccess.evaluateInCallFrame(callFrame.id, code, objectGroup, evalCallback);
-    },
-
-    debuggerPaused: function(callFrames)
-    {
-        this._paused = true;
-        this._waitingToPause = false;
-        this._stepping = false;
-
-        this._updateDebuggerButtons();
-
-        this.sidebarPanes.callstack.update(callFrames, this._sourceIDMap);
-        this.sidebarPanes.callstack.selectedCallFrame = callFrames[0];
-
-        WebInspector.currentPanel = this;
-        window.focus();
-    },
-
-    debuggerResumed: function()
-    {
-        this._paused = false;
-        this._waitingToPause = false;
-        this._stepping = false;
-
-        this._clearInterface();
-    },
-
-    attachDebuggerWhenShown: function()
-    {
-        if (this.element.parentElement) {
-            InspectorController.enableDebugger(false);
-        } else {
-            this._attachDebuggerWhenShown = true;
-        }
-    },
-
-    debuggerWasEnabled: function()
-    {
-        this.reset();
-    },
-
-    debuggerWasDisabled: function()
-    {
-        this.reset();
-    },
-
-    reset: function()
-    {
-        this.visibleView = null;
-
-        delete this.currentQuery;
-        this.searchCanceled();
-
-        if (!InspectorController.debuggerEnabled()) {
-            this._paused = false;
-            this._waitingToPause = false;
-            this._stepping = false;
-        }
-
-        this._clearInterface();
-
-        this._backForwardList = [];
-        this._currentBackForwardIndex = -1;
-        this._updateBackAndForwardButtons();
-
-        this._scriptsForURLsInFilesSelect = {};
-        this.filesSelectElement.removeChildren();
-        this.functionsSelectElement.removeChildren();
-        this.viewsContainerElement.removeChildren();
-
-        if (this._sourceIDMap) {
-            for (var sourceID in this._sourceIDMap) {
-                var object = this._sourceIDMap[sourceID];
-                if (object instanceof WebInspector.Resource)
-                    object.removeAllScripts();
-            }
-        }
-
-        this._sourceIDMap = {};
-        
-        this.sidebarPanes.watchExpressions.refreshExpressions();
-    },
-
-    get visibleView()
-    {
-        return this._visibleView;
-    },
-
-    set visibleView(x)
-    {
-        if (this._visibleView === x)
-            return;
-
-        if (this._visibleView)
-            this._visibleView.hide();
-
-        this._visibleView = x;
-
-        if (x)
-            x.show(this.viewsContainerElement);
-    },
-
-    canShowResource: function(resource)
-    {
-        return resource && resource.scripts.length && InspectorController.debuggerEnabled();
-    },
-
-    showScript: function(script, line)
-    {
-        this._showScriptOrResource(script, line, true);
-    },
-
-    showResource: function(resource, line)
-    {
-        this._showScriptOrResource(resource, line, true);
-    },
-
-    showView: function(view)
-    {
-        if (!view)
-            return;
-        this._showScriptOrResource((view.resource || view.script));
-    },
-
-    handleKeyEvent: function(event)
-    {
-        var shortcut = WebInspector.KeyboardShortcut.makeKeyFromEvent(event);
-        var handler = this._shortcuts[shortcut];
-        if (handler) {
-            handler(event);
-            event.preventDefault();
-            event.handled = true;
-        } else {
-            this.sidebarPanes.callstack.handleKeyEvent(event);
-        }
-    },
-
-    scriptViewForScript: function(script)
-    {
-        if (!script)
-            return null;
-        if (!script._scriptView)
-            script._scriptView = new WebInspector.ScriptView(script);
-        return script._scriptView;
-    },
-
-    sourceFrameForScript: function(script)
-    {
-        var view = this.scriptViewForScript(script);
-        if (!view)
-            return null;
-
-        // Setting up the source frame requires that we be attached.
-        if (!this.element.parentNode)
-            this.attach();
-
-        view.setupSourceFrameIfNeeded();
-        return view.sourceFrame;
-    },
-
-    _sourceViewForScriptOrResource: function(scriptOrResource)
-    {
-        if (scriptOrResource instanceof WebInspector.Resource) {
-            if (!WebInspector.panels.resources)
-                return null;
-            return WebInspector.panels.resources.resourceViewForResource(scriptOrResource);
-        }
-        if (scriptOrResource instanceof WebInspector.Script)
-            return this.scriptViewForScript(scriptOrResource);
-    },
-
-    _sourceFrameForScriptOrResource: function(scriptOrResource)
-    {
-        if (scriptOrResource instanceof WebInspector.Resource) {
-            if (!WebInspector.panels.resources)
-                return null;
-            return WebInspector.panels.resources.sourceFrameForResource(scriptOrResource);
-        }
-        if (scriptOrResource instanceof WebInspector.Script)
-            return this.sourceFrameForScript(scriptOrResource);
-    },
-
-    _showScriptOrResource: function(scriptOrResource, line, shouldHighlightLine, fromBackForwardAction)
-    {
-        if (!scriptOrResource)
-            return;
-
-        var view;
-        if (scriptOrResource instanceof WebInspector.Resource) {
-            if (!WebInspector.panels.resources)
-                return null;
-            view = WebInspector.panels.resources.resourceViewForResource(scriptOrResource);
-            view.headersVisible = false;
-
-            if (scriptOrResource.url in this._breakpointsURLMap) {
-                var sourceFrame = this._sourceFrameForScriptOrResource(scriptOrResource);
-                if (sourceFrame && !sourceFrame.breakpoints.length) {
-                    var breakpoints = this._breakpointsURLMap[scriptOrResource.url];
-                    var breakpointsLength = breakpoints.length;
-                    for (var i = 0; i < breakpointsLength; ++i)
-                        sourceFrame.addBreakpoint(breakpoints[i]);
-                }
-            }
-        } else if (scriptOrResource instanceof WebInspector.Script)
-            view = this.scriptViewForScript(scriptOrResource);
-
-        if (!view)
-            return;
-
-        if (!fromBackForwardAction) {
-            var oldIndex = this._currentBackForwardIndex;
-            if (oldIndex >= 0)
-                this._backForwardList.splice(oldIndex + 1, this._backForwardList.length - oldIndex);
-
-            // Check for a previous entry of the same object in _backForwardList.
-            // If one is found, remove it and update _currentBackForwardIndex to match.
-            var previousEntryIndex = this._backForwardList.indexOf(scriptOrResource);
-            if (previousEntryIndex !== -1) {
-                this._backForwardList.splice(previousEntryIndex, 1);
-                --this._currentBackForwardIndex;
-            }
-
-            this._backForwardList.push(scriptOrResource);
-            ++this._currentBackForwardIndex;
-
-            this._updateBackAndForwardButtons();
-        }
-
-        this.visibleView = view;
-
-        if (line) {
-            if (view.revealLine)
-                view.revealLine(line);
-            if (view.highlightLine && shouldHighlightLine)
-                view.highlightLine(line);
-        }
-
-        var option;
-        if (scriptOrResource instanceof WebInspector.Script) {
-            option = scriptOrResource.filesSelectOption;
-            console.assert(option);
-        } else {
-            var url = scriptOrResource.url;
-            var script = this._scriptsForURLsInFilesSelect[url];
-            if (script)
-               option = script.filesSelectOption;
-        }
-
-        if (option)
-            this.filesSelectElement.selectedIndex = option.index;
-    },
-
-    _addScriptToFilesMenu: function(script)
-    {
-        if (script.resource && this._scriptsForURLsInFilesSelect[script.sourceURL])
-            return;
-
-        this._scriptsForURLsInFilesSelect[script.sourceURL] = script;
-
-        var select = this.filesSelectElement;
-
-        var option = document.createElement("option");
-        option.representedObject = (script.resource || script);
-        option.text = (script.sourceURL ? WebInspector.displayNameForURL(script.sourceURL) : WebInspector.UIString("(program)"));
-
-        function optionCompare(a, b)
-        {
-            var aTitle = a.text.toLowerCase();
-            var bTitle = b.text.toLowerCase();
-            if (aTitle < bTitle)
-                return -1;
-            else if (aTitle > bTitle)
-                return 1;
-
-            var aSourceID = a.representedObject.sourceID;
-            var bSourceID = b.representedObject.sourceID;
-            if (aSourceID < bSourceID)
-                return -1;
-            else if (aSourceID > bSourceID)
-                return 1;
-            return 0;
-        }
-
-        var insertionIndex = insertionIndexForObjectInListSortedByFunction(option, select.childNodes, optionCompare);
-        if (insertionIndex < 0)
-            select.appendChild(option);
-        else
-            select.insertBefore(option, select.childNodes.item(insertionIndex));
-
-        script.filesSelectOption = option;
-
-        // Call _showScriptOrResource if the option we just appended ended up being selected.
-        // This will happen for the first item added to the menu.
-        if (select.options[select.selectedIndex] === option)
-            this._showScriptOrResource(option.representedObject);
-    },
-
-    _clearCurrentExecutionLine: function()
-    {
-        if (this._executionSourceFrame)
-            this._executionSourceFrame.executionLine = 0;
-        delete this._executionSourceFrame;
-    },
-
-    _callFrameSelected: function()
-    {
-        this._clearCurrentExecutionLine();
-
-        var callStackPane = this.sidebarPanes.callstack;
-        var currentFrame = callStackPane.selectedCallFrame;
-        if (!currentFrame)
-            return;
-
-        this.sidebarPanes.scopechain.update(currentFrame);
-        this.sidebarPanes.watchExpressions.refreshExpressions();
-
-        var scriptOrResource = this._sourceIDMap[currentFrame.sourceID];
-        this._showScriptOrResource(scriptOrResource, currentFrame.line);
-
-        this._executionSourceFrame = this._sourceFrameForScriptOrResource(scriptOrResource);
-        if (this._executionSourceFrame)
-            this._executionSourceFrame.executionLine = currentFrame.line;
-    },
-
-    _changeVisibleFile: function(event)
-    {
-        var select = this.filesSelectElement;
-        this._showScriptOrResource(select.options[select.selectedIndex].representedObject);
-    },
-
-    _startSidebarResizeDrag: function(event)
-    {
-        WebInspector.elementDragStart(this.sidebarElement, this._sidebarResizeDrag.bind(this), this._endSidebarResizeDrag.bind(this), event, "col-resize");
-
-        if (event.target === this.sidebarResizeWidgetElement)
-            this._dragOffset = (event.target.offsetWidth - (event.pageX - event.target.totalOffsetLeft));
-        else
-            this._dragOffset = 0;
-    },
-
-    _endSidebarResizeDrag: function(event)
-    {
-        WebInspector.elementDragEnd(event);
-
-        delete this._dragOffset;
-    },
-
-    _sidebarResizeDrag: function(event)
-    {
-        var x = event.pageX + this._dragOffset;
-        var newWidth = Number.constrain(window.innerWidth - x, Preferences.minScriptsSidebarWidth, window.innerWidth * 0.66);
-
-        this.sidebarElement.style.width = newWidth + "px";
-        this.sidebarButtonsElement.style.width = newWidth + "px";
-        this.viewsContainerElement.style.right = newWidth + "px";
-        this.sidebarResizeWidgetElement.style.right = newWidth + "px";
-        this.sidebarResizeElement.style.right = (newWidth - 3) + "px";
-
-        event.preventDefault();
-    },
-
-    _updatePauseOnExceptionsButton: function()
-    {
-        if (InspectorController.pauseOnExceptions()) {
-            this.pauseOnExceptionButton.title = WebInspector.UIString("Don't pause on exceptions.");
-            this.pauseOnExceptionButton.toggled = true;
-        } else {
-            this.pauseOnExceptionButton.title = WebInspector.UIString("Pause on exceptions.");
-            this.pauseOnExceptionButton.toggled = false;
-        }
-    },
-
-    _updateDebuggerButtons: function()
-    {
-        if (InspectorController.debuggerEnabled()) {
-            this.enableToggleButton.title = WebInspector.UIString("Debugging enabled. Click to disable.");
-            this.enableToggleButton.toggled = true;
-            this.pauseOnExceptionButton.visible = true;
-            this.panelEnablerView.visible = false;
-        } else {
-            this.enableToggleButton.title = WebInspector.UIString("Debugging disabled. Click to enable.");
-            this.enableToggleButton.toggled = false;
-            this.pauseOnExceptionButton.visible = false;
-            this.panelEnablerView.visible = true;
-        }
-
-        this._updatePauseOnExceptionsButton();
-
-        if (this._paused) {
-            this.pauseButton.addStyleClass("paused");
-
-            this.pauseButton.disabled = false;
-            this.stepOverButton.disabled = false;
-            this.stepIntoButton.disabled = false;
-            this.stepOutButton.disabled = false;
-
-            this.debuggerStatusElement.textContent = WebInspector.UIString("Paused");
-        } else {
-            this.pauseButton.removeStyleClass("paused");
-
-            this.pauseButton.disabled = this._waitingToPause;
-            this.stepOverButton.disabled = true;
-            this.stepIntoButton.disabled = true;
-            this.stepOutButton.disabled = true;
-
-            if (this._waitingToPause)
-                this.debuggerStatusElement.textContent = WebInspector.UIString("Pausing");
-            else if (this._stepping)
-                this.debuggerStatusElement.textContent = WebInspector.UIString("Stepping");
-            else
-                this.debuggerStatusElement.textContent = "";
-        }
-    },
-
-    _updateBackAndForwardButtons: function()
-    {
-        this.backButton.disabled = this._currentBackForwardIndex <= 0;
-        this.forwardButton.disabled = this._currentBackForwardIndex >= (this._backForwardList.length - 1);
-    },
-
-    _clearInterface: function()
-    {
-        this.sidebarPanes.callstack.update(null);
-        this.sidebarPanes.scopechain.update(null);
-
-        this._clearCurrentExecutionLine();
-        this._updateDebuggerButtons();
-    },
-
-    _goBack: function()
-    {
-        if (this._currentBackForwardIndex <= 0) {
-            console.error("Can't go back from index " + this._currentBackForwardIndex);
-            return;
-        }
-
-        this._showScriptOrResource(this._backForwardList[--this._currentBackForwardIndex], null, false, true);
-        this._updateBackAndForwardButtons();
-    },
-
-    _goForward: function()
-    {
-        if (this._currentBackForwardIndex >= this._backForwardList.length - 1) {
-            console.error("Can't go forward from index " + this._currentBackForwardIndex);
-            return;
-        }
-
-        this._showScriptOrResource(this._backForwardList[++this._currentBackForwardIndex], null, false, true);
-        this._updateBackAndForwardButtons();
-    },
-
-    _enableDebugging: function()
-    {
-        if (InspectorController.debuggerEnabled())
-            return;
-        this._toggleDebugging(this.panelEnablerView.alwaysEnabled);
-    },
-
-    _toggleDebugging: function(optionalAlways)
-    {
-        this._paused = false;
-        this._waitingToPause = false;
-        this._stepping = false;
-
-        if (InspectorController.debuggerEnabled())
-            InspectorController.disableDebugger(true);
-        else
-            InspectorController.enableDebugger(!!optionalAlways);
-    },
-
-    _togglePauseOnExceptions: function()
-    {
-        InspectorController.setPauseOnExceptions(!InspectorController.pauseOnExceptions());
-        this._updatePauseOnExceptionsButton();
-    },
-
-    _togglePause: function()
-    {
-        if (this._paused) {
-            this._paused = false;
-            this._waitingToPause = false;
-            InspectorController.resumeDebugger();
-        } else {
-            this._stepping = false;
-            this._waitingToPause = true;
-            InspectorController.pauseInDebugger();
-        }
-
-        this._clearInterface();
-    },
-
-    _stepOverClicked: function()
-    {
-        this._paused = false;
-        this._stepping = true;
-
-        this._clearInterface();
-
-        InspectorController.stepOverStatementInDebugger();
-    },
-
-    _stepIntoClicked: function()
-    {
-        this._paused = false;
-        this._stepping = true;
-
-        this._clearInterface();
-
-        InspectorController.stepIntoStatementInDebugger();
-    },
-
-    _stepOutClicked: function()
-    {
-        this._paused = false;
-        this._stepping = true;
-
-        this._clearInterface();
-
-        InspectorController.stepOutOfFunctionInDebugger();
-    }
-}
-
-WebInspector.ScriptsPanel.prototype.__proto__ = WebInspector.Panel.prototype;