Consistent CopyFromSurface() API, consolidated to RWHV

content/browser/frame_host/navigation_entry_screenshot_manager.h

Index: content/browser/frame_host/navigation_entry_screenshot_manager.h
diff --git a/content/browser/frame_host/navigation_entry_screenshot_manager.h b/content/browser/frame_host/navigation_entry_screenshot_manager.h
index 40600af2d22b4c1f1a2bd2bb235916b0cd7c4e99..508b1895ce536cbdd8d3fee6d177e1c4ab2e7faa 100644
--- a/content/browser/frame_host/navigation_entry_screenshot_manager.h
+++ b/content/browser/frame_host/navigation_entry_screenshot_manager.h
@@ -38,8 +38,10 @@ class CONTENT_EXPORT NavigationEntryScreenshotManager {
   void ClearAllScreenshots();
 
  protected:
-  virtual void TakeScreenshotImpl(RenderViewHost* host,
-                                  NavigationEntryImpl* entry);
+  // Overridden by tests to be notified when a screenshot will be taken. Tests
+  // can override OnScreenshotSet() to be notified after the screenshot is
+  // taken.
+  virtual void WillTakeScreenshot(RenderViewHost* host) {}
 
   // Called after a screenshot has been set on an NavigationEntryImpl.
   // Overridden in tests to get notified of when a screenshot is set.