Devtools: API To set the red/yellow squiggles for a file via DI

third_party/WebKit/Source/devtools/front_end/workspace/UISourceCode.js

Index: third_party/WebKit/Source/devtools/front_end/workspace/UISourceCode.js
diff --git a/third_party/WebKit/Source/devtools/front_end/workspace/UISourceCode.js b/third_party/WebKit/Source/devtools/front_end/workspace/UISourceCode.js
index b712caec39202e087977898903fd4721db843ef4..8d08a26da203301e2973c23ecd1b81a2b5fffd11 100644
--- a/third_party/WebKit/Source/devtools/front_end/workspace/UISourceCode.js
+++ b/third_party/WebKit/Source/devtools/front_end/workspace/UISourceCode.js
@@ -52,6 +52,9 @@ WebInspector.UISourceCode = function(project, parentPath, name, originURL, conte
     /** @type {!Array.<!WebInspector.Revision>} */
     this.history = [];
     this._hasUnsavedCommittedChanges = false;
+
+    /** @type {!Array<!WebInspector.UISourceCodeMessage>} */
+    this._messages = [];
 }
 
 /**
@@ -62,6 +65,8 @@ WebInspector.UISourceCode.Events = {
     WorkingCopyCommitted: "WorkingCopyCommitted",
     TitleChanged: "TitleChanged",
     SourceMappingChanged: "SourceMappingChanged",
+    MessageAdded: "MessageAdded",
+    MessageRemoved: "MessageRemoved"
 }
 
 WebInspector.UISourceCode.prototype = {
@@ -566,6 +571,50 @@ WebInspector.UISourceCode.prototype = {
         return new WebInspector.UILocation(this, lineNumber, columnNumber);
     },
 
+    /**
+     * @param {string} text
+     * @param {!WebInspector.UISourceCodeMessage.Level} level
+     * @param {!WebInspector.TextRange} location
+     * @return {!WebInspector.UISourceCodeMessage}
+     */
+    addMessage: function(text, level, location)
+    {
+        var message = new WebInspector.UISourceCodeMessage(text, level, location);
+        this._messages.push(message);
+        this.dispatchEventToListeners(WebInspector.UISourceCode.Events.MessageAdded, message);
+        return message;
+    },
+
+    /**
+     * @param {!WebInspector.UISourceCodeMessage} message
+     */
+    removeMessage: function(message)
+    {
+        for (var i = 0; i < this._messages.length; i++) {
+            if (message === this._messages[i]) {
+                this.dispatchEventToListeners(WebInspector.UISourceCode.Events.MessageRemoved, this._messages.splice(i, 1));
+                return;
+            }
+        }
+    },
+
+    /**
+     * @return {!Array<!WebInspector.UISourceCodeMessage>}
+     */
+    messages: function() 
+    {
+        return this._messages;
+    },
+
+    clearMessages: function()
+    {
+        var messages = this._messages.slice(0);
+        this._messages.length = 0;
+        for (var i = 0; i < messages.length; i++) {
+            this.dispatchEventToListeners(WebInspector.UISourceCode.Events.MessageRemoved, messages[i]);
+        }
+    },
+
     __proto__: WebInspector.Object.prototype
 }
 
@@ -704,3 +753,59 @@ WebInspector.Revision.prototype = {
         callback([]);
     }
 }
+
+/**
+ * @constructor
+ * @param {string} text
+ * @param {!WebInspector.UISourceCodeMessage.Level} level
+ * @param {!WebInspector.TextRange} location
+ */
+WebInspector.UISourceCodeMessage = function(text, level, location) {
+    this._text = text;
+    this._level = level;
+    this._location = location;
+}
+
+WebInspector.UISourceCodeMessage.prototype = {
+    /**
+     * @return {string}
+     */
+    text: function()
+    {
+        return this._text;
+    },
+
+    /**
+     * @return {!WebInspector.UISourceCodeMessage.Level}
+     */
+    level: function()
+    {
+        return this._level;
+    },
+
+    /**
+     * @return {!WebInspector.TextRange}
+     */
+    location: function()
+    {
+        return this._location;
+    },
+
+    /**
+     * @param {!WebInspector.UISourceCodeMessage} another
+     * @return {boolean}
+     */
+    equal: function(another) {
+        return this.level() === another.level() &&
+               this.text() === another.text() &&
+               this.location().equal(another.location());
+    }
+}
+
+/**
+ * @enum {string}
+ */
+WebInspector.UISourceCodeMessage.Level = {
+    Error: "Error",
+    Warning: "Warning"
+}