Implement webview.captureVisibleRegion()

content/browser/compositor/surface_utils.h

Index: content/browser/compositor/surface_utils.h
diff --git a/content/browser/compositor/surface_utils.h b/content/browser/compositor/surface_utils.h
index b56fef2717070218c8d990c1bf901718e58ef5ab..ef1f89d91713fad32a7d34bf11f926dc949fbc5f 100644
--- a/content/browser/compositor/surface_utils.h
+++ b/content/browser/compositor/surface_utils.h
@@ -6,8 +6,16 @@
 #define CONTENT_BROWSER_COMPOSITOR_SURFACE_UTILS_H_
 
 #include "base/memory/scoped_ptr.h"
+#include "content/public/browser/readback_types.h"
+#include "third_party/skia/include/core/SkImageInfo.h"
+#include "ui/gfx/geometry/size.h"
+
+class SkAutoLockPixels;

[ncarter (slow), 2016/01/20 21:20:49]

Seems unused.

[wjmaclean, 2016/01/20 21:45:19]

Done.

+class SkBitmap;

[ncarter (slow), 2016/01/20 21:20:49]

Seems unused.

[wjmaclean, 2016/01/20 21:45:19]

Done.

 
 namespace cc {
+class CopyOutputResult;
+class SingleReleaseCallback;

[ncarter (slow), 2016/01/20 21:20:49]

Seems unused.

[wjmaclean, 2016/01/20 21:45:19]

Done.

Thanks for spotting these unused cases!

 class SurfaceIdAllocator;
 class SurfaceManager;
 }  // namespace cc
@@ -18,6 +26,12 @@ scoped_ptr<cc::SurfaceIdAllocator> CreateSurfaceIdAllocator();
 
 cc::SurfaceManager* GetSurfaceManager();
 
+void CopyFromCompositingSurfaceHasResult(
+    const gfx::Size& dst_size_in_pixel,
+    const SkColorType color_type,
+    const ReadbackRequestCallback& callback,
+    scoped_ptr<cc::CopyOutputResult> result);
+
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_COMPOSITOR_SURFACE_UTILS_H_