Pipe "is pinned to left/right", "has horizontal/vertical scrollbar",

content/browser/renderer_host/render_view_host.cc

Index: content/browser/renderer_host/render_view_host.cc
diff --git a/content/browser/renderer_host/render_view_host.cc b/content/browser/renderer_host/render_view_host.cc
index 3d360a2f7f4461e675b68d79e3f8477f1ae59eb3..8af8ed86594def723ee00d433fbcddfe258a6ab8 100644
--- a/content/browser/renderer_host/render_view_host.cc
+++ b/content/browser/renderer_host/render_view_host.cc
@@ -692,6 +692,12 @@ bool RenderViewHost::OnMessageReceived(const IPC::Message& msg) {
     IPC_MESSAGE_HANDLER(ViewHostMsg_OpenURL, OnMsgOpenURL)
     IPC_MESSAGE_HANDLER(ViewHostMsg_DidContentsPreferredSizeChange,
                         OnMsgDidContentsPreferredSizeChange)
+    IPC_MESSAGE_HANDLER(ViewHostMsg_DidChangeScrollbarsForMainFrame,
+                        OnMsgDidChangeScrollbarsForMainFrame)
+    IPC_MESSAGE_HANDLER(ViewHostMsg_DidChangeScrollOffsetPinningForMainFrame,
+                        OnMsgDidChangeScrollOffsetPinningForMainFrame)
+    IPC_MESSAGE_HANDLER(ViewHostMsg_DidChangeNumWheelEvents,
+                        OnMsgDidChangeNumWheelEvents)
     IPC_MESSAGE_HANDLER_DELAY_REPLY(ViewHostMsg_RunJavaScriptMessage,
                                     OnMsgRunJavaScriptMessage)
     IPC_MESSAGE_HANDLER_DELAY_REPLY(ViewHostMsg_RunBeforeUnloadConfirm,
@@ -1001,6 +1007,20 @@ void RenderViewHost::OnMsgDidContentsPreferredSizeChange(
   view->UpdatePreferredSize(new_size);
 }
 
+void RenderViewHost::OnMsgDidChangeScrollbarsForMainFrame(
+    bool has_horizontal_scrollbar, bool has_vertical_scrollbar) {
+  // TODO(thakis): Implement, http://crbug.com/90228
+}
+
+void RenderViewHost::OnMsgDidChangeScrollOffsetPinningForMainFrame(
+    bool is_pinned_to_left, bool is_pinned_to_right) {
+  // TODO(thakis): Implement, http://crbug.com/90228
+}
+
+void RenderViewHost::OnMsgDidChangeNumWheelEvents(int count) {
+  // TODO(thakis): Implement, http://crbug.com/90228
+}
+
 void RenderViewHost::OnMsgSelectionChanged(const std::string& text,
                                            const ui::Range& range,
                                            const gfx::Point& start,