Implement pointer lock API for out-of-process iframes.

third_party/WebKit/Source/web/WebViewImpl.h

Index: third_party/WebKit/Source/web/WebViewImpl.h
diff --git a/third_party/WebKit/Source/web/WebViewImpl.h b/third_party/WebKit/Source/web/WebViewImpl.h
index 1b130a7368a06b6ecaefac789f3004d5baecac32..26724a5f5c35bee10c4949425161f94d96077eb0 100644
--- a/third_party/WebKit/Source/web/WebViewImpl.h
+++ b/third_party/WebKit/Source/web/WebViewImpl.h
@@ -478,12 +478,6 @@ public:
     bool hasHorizontalScrollbar();
     bool hasVerticalScrollbar();
 
-    // Pointer Lock calls allow a page to capture all mouse events and
-    // disable the system cursor.
-    bool requestPointerLock();
-    void requestPointerUnlock();
-    bool isPointerLocked();
-
     // Exposed for tests.
     unsigned numLinkHighlights() { return m_linkHighlights.size(); }
     LinkHighlightImpl* getLinkHighlight(int i) { return m_linkHighlights[i].get(); }