Extend the TestRunner so that the manifest-src CSP directive can be tested from layout tests.

content/public/test/layouttest_support.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_PUBLIC_TEST_LAYOUTTEST_SUPPORT_H_
 #define CONTENT_PUBLIC_TEST_LAYOUTTEST_SUPPORT_H_
 
 #include <string>
 #include <vector>
 
 #include "base/callback_forward.h"
 #include "cc/layers/texture_layer.h"
 #include "third_party/WebKit/public/platform/WebScreenOrientationType.h"
+#include "url/gurl.h"
 
 namespace blink {
 class WebBatteryStatus;
 class WebDeviceMotionData;
 class WebDeviceOrientationData;
 class WebGamepad;
 class WebGamepads;
 class WebLayer;
 struct WebSize;
+class WebView;
+class WebURLResponse;
 }
 
 namespace content {
 
 class PageState;
 class RenderFrame;
 class RendererGamepadProvider;
 class RenderView;
 class WebTestProxyBase;
 
 // Turn the browser process into layout test mode.
 void EnableBrowserLayoutTestMode();
 
 ///////////////////////////////////////////////////////////////////////////////
 // The following methods are meant to be used from a renderer.
 
 // Turn a renderer into layout test mode.
 void EnableRendererLayoutTestMode();
 
 // Enable injecting of a WebTestProxy between WebViews and RenderViews.
 // |callback| is invoked with a pointer to WebTestProxyBase for each created
 // WebTestProxy.
 void EnableWebTestProxyCreation(
     const base::Callback<void(RenderView*, WebTestProxyBase*)>& callback);
 
+void FetchManifest(blink::WebView* view, GURL url,
+    base::Callback<void(const blink::WebURLResponse& response,
+                        const std::string& data)> callback);

[mlamouri (slow - plz ping), 2014/09/18 17:36:05]

nit: I think it would be better to have a type for that callback.
FetchManifestCallback?

Actually, it would have been clearer that you are not using |const Callback&|
which you should.

+
 // Sets gamepad provider to be used for layout tests.
 void SetMockGamepadProvider(scoped_ptr<RendererGamepadProvider> provider);
 
 // Sets a double that should be used when registering
 // a listener through WebKitPlatformSupport::setDeviceLightListener().
 void SetMockDeviceLightData(const double data);
 
 // Sets WebDeviceMotionData that should be used when registering
 // a listener through WebKitPlatformSupport::setDeviceMotionListener().
 void SetMockDeviceMotionData(const blink::WebDeviceMotionData& data);
@@ skipping 43 matching lines @@
 // Provides a text dump of the contents of the given page state.
 std::string DumpBackForwardList(std::vector<PageState>& page_state,
                                 size_t current_index);
 
 // Instantiates WebLayerImpl for TestPlugin.
 blink::WebLayer* InstantiateWebLayer(scoped_refptr<cc::TextureLayer> layer);
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_TEST_LAYOUTTEST_SUPPORT_H_