Introduce the notion of a "layout test mode" instead of turning individual flags on and off

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 "base/callback_forward.h"
 
 namespace WebKit {
 class WebGamepads;
 struct WebSize;
 }
 
 namespace WebTestRunner {
 class WebTestProxyBase;
 }
 
 namespace content {
 
 class RenderView;
 
+// 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*, WebTestRunner::WebTestProxyBase*)>& callback);
 
 // Sets the WebGamepads that should be returned by
 // WebKitPlatformSupport::sampleGamepads().
 void SetMockGamepads(const WebKit::WebGamepads& pads);
 
-// Disable logging to the console from the appcache system.
-void DisableAppCacheLogging();
-
-// Enable testing support in the devtools client.
-void EnableDevToolsFrontendTesting();
-
 // Returns the length of the local session history of a render view.
 int GetLocalSessionHistoryLength(RenderView* render_view);
 
-void SetAllowOSMesaImageTransportForTesting();
-
-// Suppress sending focus events from the renderer to the browser.
-void DoNotSendFocusEvents();
-
 // Sync the current session history to the browser process.
 void SyncNavigationState(RenderView* render_view);
 
 // Sets the focus of the render view depending on |enable|. This only overrides
 // the state of the renderer, and does not sync the focus to the browser
 // process.
 void SetFocusAndActivate(RenderView* render_view, bool enable);
 
-// When WebKit requests a size change, immediately report the new sizes back to
-// WebKit instead of waiting for the browser to acknowledge the new size.
-void EnableShortCircuitSizeUpdates();
-
 // Changes the window rect of the given render view.
 void ForceResizeRenderView(RenderView* render_view,
                            const WebKit::WebSize& new_size);
 
-// Never display error pages when a navigation fails.
-void DisableNavigationErrorPages();
-
 // Set the device scale factor and force the compositor to resize.
 void SetDeviceScaleFactor(RenderView* render_view, float factor);
 
-// Disable system calls related to drag & drop.
-void DisableSystemDragDrop();
-
-// Don't show modal popup menus.
-void DisableModalPopupMenus();
-
 // Control auto resize mode.
 void EnableAutoResizeMode(RenderView* render_view,
                           const WebKit::WebSize& min_size,
                           const WebKit::WebSize& max_size);
 void DisableAutoResizeMode(RenderView* render_view,
                            const WebKit::WebSize& new_size);
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_TEST_LAYOUTTEST_SUPPORT_H_