Start moving WebUserMediaClient on the chromium side to be per frame instead of view.

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 "third_party/WebKit/public/platform/WebScreenOrientationType.h"
 
 namespace blink {
 class WebDeviceMotionData;
 class WebDeviceOrientationData;
 class WebGamepad;
 class WebGamepads;
 struct WebSize;
 }
 
 namespace content {
 
 class PageState;
+class RenderFrame;
 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.
@@ skipping 52 matching lines @@
 // See http://crbug.com/309760 for details.
 void UseSynchronousResizeMode(RenderView* render_view, bool enable);
 
 // Control auto resize mode.
 void EnableAutoResizeMode(RenderView* render_view,
                           const blink::WebSize& min_size,
                           const blink::WebSize& max_size);
 void DisableAutoResizeMode(RenderView* render_view,
                            const blink::WebSize& new_size);
 
-// Forces the |render_view| to use mock media streams.
-void UseMockMediaStreams(RenderView* render_view);
+// Forces the |render_frame| to use mock media streams.
+void UseMockMediaStreams(RenderFrame* render_frame);
 
 // Provides a text dump of the contents of the given page state.
 std::string DumpBackForwardList(std::vector<PageState>& page_state,
                                 size_t current_index);
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_TEST_LAYOUTTEST_SUPPORT_H_