DevTools: remove unused ConsoleViewMessage.toString()

Some inspector LayoutTests were using ConsoleViewMessage.toString() to check
that a message included a substring. Most of the function logic was not
necessary and some cases could be replaced with the .text getter.

BUG=

Review-Url: https://codereview.chromium.org/2348583004
Cr-Commit-Position: refs/heads/master@{#419910}

third_party/WebKit/LayoutTests/http/tests/inspector/console-resource-errors.html

@@ -32,7 +32,7 @@ function test()
     function addMessage(uiMessage)
     {
         // There will be only one such message.
-        if (uiMessage.toString().indexOf("non-existent-iframe") !== -1)
+        if (uiMessage.element().deepTextContent().indexOf("non-existent-iframe") !== -1)
             InspectorTest.expandConsoleMessages(onExpandedMessages);
     }
 

third_party/WebKit/LayoutTests/inspector/console/console-uncaught-exception.html

@@ -10,7 +10,7 @@ function test()
     InspectorTest.evaluateInPage("loadIframe()");
     function addMessage(viewMessage)
     {
-        if (viewMessage.toString().indexOf("setTimeout") !== -1)
+        if (viewMessage.element().deepTextContent().indexOf("setTimeout") !== -1)
             InspectorTest.expandConsoleMessages(onExpanded);
     }
 

third_party/WebKit/LayoutTests/inspector/console/console-xpath.html

@@ -21,7 +21,7 @@ function test()
     var completeMessageReceived = false;
     function messageSniffer(uiMessage)
     {
-        if (uiMessage.toString().indexOf("complete") !== -1) {
+        if (uiMessage.element().deepTextContent().indexOf("complete") !== -1) {
             completeMessageReceived = true;
             maybeCompleteTest();
         }

third_party/WebKit/Source/devtools/front_end/console/ConsoleViewMessage.js

@@ -1067,116 +1067,6 @@ WebInspector.ConsoleViewMessage.prototype = {
         this._repeatCountElement.textContent = this._repeatCount;
     },
 
-    /**
-     * @override
-     * @return {string}
-     */
-    toString: function()
-    {
-        var sourceString;
-        switch (this._message.source) {
-        case WebInspector.ConsoleMessage.MessageSource.XML:
-            sourceString = "XML";
-            break;
-        case WebInspector.ConsoleMessage.MessageSource.JS:
-            sourceString = "JavaScript";
-            break;
-        case WebInspector.ConsoleMessage.MessageSource.Network:
-            sourceString = "Network";
-            break;
-        case WebInspector.ConsoleMessage.MessageSource.ConsoleAPI:
-            sourceString = "ConsoleAPI";
-            break;
-        case WebInspector.ConsoleMessage.MessageSource.Storage:
-            sourceString = "Storage";
-            break;
-        case WebInspector.ConsoleMessage.MessageSource.AppCache:
-            sourceString = "AppCache";
-            break;
-        case WebInspector.ConsoleMessage.MessageSource.Rendering:
-            sourceString = "Rendering";
-            break;
-        case WebInspector.ConsoleMessage.MessageSource.CSS:
-            sourceString = "CSS";
-            break;
-        case WebInspector.ConsoleMessage.MessageSource.Security:
-            sourceString = "Security";
-            break;
-        case WebInspector.ConsoleMessage.MessageSource.Other:
-            sourceString = "Other";
-            break;
-        }
-
-        var typeString;
-        switch (this._message.type) {
-        case WebInspector.ConsoleMessage.MessageType.Log:
-            typeString = "Log";
-            break;
-        case WebInspector.ConsoleMessage.MessageType.Debug:
-            typeString = "Debug";
-            break;
-        case WebInspector.ConsoleMessage.MessageType.Info:
-            typeString = "Info";
-            break;
-        case WebInspector.ConsoleMessage.MessageType.Error:
-            typeString = "Error";
-            break;
-        case WebInspector.ConsoleMessage.MessageType.Warning:
-            typeString = "Warning";
-            break;
-        case WebInspector.ConsoleMessage.MessageType.Dir:
-            typeString = "Dir";
-            break;
-        case WebInspector.ConsoleMessage.MessageType.DirXML:
-            typeString = "Dir XML";
-            break;
-        case WebInspector.ConsoleMessage.MessageType.Trace:
-            typeString = "Trace";
-            break;
-        case WebInspector.ConsoleMessage.MessageType.StartGroupCollapsed:
-        case WebInspector.ConsoleMessage.MessageType.StartGroup:
-            typeString = "Start Group";
-            break;
-        case WebInspector.ConsoleMessage.MessageType.EndGroup:
-            typeString = "End Group";
-            break;
-        case WebInspector.ConsoleMessage.MessageType.Assert:
-            typeString = "Assert";
-            break;
-        case WebInspector.ConsoleMessage.MessageType.Result:
-            typeString = "Result";
-            break;
-        case WebInspector.ConsoleMessage.MessageType.Profile:
-        case WebInspector.ConsoleMessage.MessageType.ProfileEnd:
-            typeString = "Profiling";
-            break;
-        }
-
-        var levelString;
-        switch (this._message.level) {
-        case WebInspector.ConsoleMessage.MessageLevel.Log:
-            levelString = "Log";
-            break;
-        case WebInspector.ConsoleMessage.MessageLevel.Warning:
-            levelString = "Warning";
-            break;
-        case WebInspector.ConsoleMessage.MessageLevel.Debug:
-            levelString = "Debug";
-            break;
-        case WebInspector.ConsoleMessage.MessageLevel.Error:
-            levelString = "Error";
-            break;
-        case WebInspector.ConsoleMessage.MessageLevel.RevokedError:
-            levelString = "RevokedError";
-            break;
-        case WebInspector.ConsoleMessage.MessageLevel.Info:
-            levelString = "Info";
-            break;
-        }
-
-        return sourceString + " " + typeString + " " + levelString + ": " + this.formattedMessage().textContent + "\n" + this._message.url + " line " + this._message.line;
-    },
-
     get text()
     {
         return this._message.messageText;