Use default CSP for resource loading in webview (instead of platform app's CSP)

chrome/test/data/extensions/platform_apps/web_view/shim/main.js

Index: chrome/test/data/extensions/platform_apps/web_view/shim/main.js
diff --git a/chrome/test/data/extensions/platform_apps/web_view/shim/main.js b/chrome/test/data/extensions/platform_apps/web_view/shim/main.js
index 124d26cfb9aa6aa83a2fe431a2f2b030ba5b75a6..2e2a6fd4d1610d1a604e2b7ea200e05fad98633d 100644
--- a/chrome/test/data/extensions/platform_apps/web_view/shim/main.js
+++ b/chrome/test/data/extensions/platform_apps/web_view/shim/main.js
@@ -336,6 +336,25 @@ function testChromeExtensionRelativePath() {
   document.body.appendChild(webview);
 }
 
+// Makes sure inline scripts works inside guest that was loaded from
+// accessible_resources.
+function testInlineScriptFromAccessibleResources() {
+  var webview = document.createElement('webview');
+  // foobar is a privileged partition according to the manifest file.
+  webview.partition = 'foobar';
+  webview.addEventListener('loadabort', function(e) {
+    embedder.test.fail();
+  });
+  webview.addEventListener('consolemessage', function(e) {
+    window.console.log('consolemessage: ' + e.message);
+    if (e.message == 'guest.html: Inline script ran') {
+      embedder.test.succeed();
+    }
+  });
+  webview.setAttribute('src', 'guest.html');
+  document.body.appendChild(webview);
+}
+
 // This tests verifies that webview fires a loadabort event instead of crashing
 // the browser if we attempt to navigate to a chrome-extension: URL with an
 // extension ID that does not exist.
@@ -1502,6 +1521,8 @@ embedder.test.testList = {
   'testAPIMethodExistence': testAPIMethodExistence,
   'testChromeExtensionURL': testChromeExtensionURL,
   'testChromeExtensionRelativePath': testChromeExtensionRelativePath,
+  'testInlineScriptFromAccessibleResources':
+      testInlineScriptFromAccessibleResources,
   'testInvalidChromeExtensionURL': testInvalidChromeExtensionURL,
   'testWebRequestAPIExistence': testWebRequestAPIExistence,
   'testEventName': testEventName,