Implemented GetWindowSnapshot on RenderViewImpl

chrome/browser/ui/window_snapshot/window_snapshot.h

Index: chrome/browser/ui/window_snapshot/window_snapshot.h
diff --git a/chrome/browser/ui/window_snapshot/window_snapshot.h b/chrome/browser/ui/window_snapshot/window_snapshot.h
index f4f6f893c65e0dba69f7bf01eaaea9e9f815f3a5..3259983cfcdd270b70c5e1404313ca6cf707c34f 100644
--- a/chrome/browser/ui/window_snapshot/window_snapshot.h
+++ b/chrome/browser/ui/window_snapshot/window_snapshot.h
@@ -25,25 +25,13 @@ void RegisterScreenshotPrefs(PrefService* service);
 // the primary monitor. This takes into account calling user context (ie. checks
 // policy settings if taking screenshots is allowed), and is intended to be used
 // by browser code. If you need to take a screenshot for debugging purposes,
-// consider using GrabWindowSnapshot.
+// consider using ui::GrabWindowSnapshot.
 // Returns true if the operation is successful (ie. permitted).
 bool GrabWindowSnapshotForUser(
     gfx::NativeWindow window,
     std::vector<unsigned char>* png_representation,
     const gfx::Rect& snapshot_bounds);
 
-namespace internal {
-
-// Like GrabWindowSnapshotForUser, but does not perform additional security
-// checks - just grabs a snapshot. This is intended to be used for debugging
-// purposes where no BrowserProcess instance is available (ie. tests).
-// DO NOT use in a result of user action.
-bool GrabWindowSnapshot(
-    gfx::NativeWindow window,
-    std::vector<unsigned char>* png_representation,
-    const gfx::Rect& snapshot_bounds);
-
-}  // namespace internal
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_UI_WINDOW_SNAPSHOT_WINDOW_SNAPSHOT_H_