Hide location bar on Javascript-initiated scroll.

content/common/view_messages.h

Index: content/common/view_messages.h
diff --git a/content/common/view_messages.h b/content/common/view_messages.h
index 4e5ebc5d9d11df03b30e340c088eed4c380e25e9..8d4d5cf9f03f1441e267bf955f6ec883c0500504 100644
--- a/content/common/view_messages.h
+++ b/content/common/view_messages.h
@@ -8,6 +8,7 @@
 #include "base/process.h"
 #include "base/shared_memory.h"
 #include "base/string16.h"
+#include "cc/input/top_controls_state.h"
 #include "cc/output/compositor_frame.h"
 #include "cc/output/compositor_frame_ack.h"
 #include "content/common/content_export.h"
@@ -73,6 +74,7 @@ IPC_ENUM_TRAITS(WebKit::WebPopupType)
 IPC_ENUM_TRAITS(WebKit::WebTextDirection)
 IPC_ENUM_TRAITS(WebMenuItem::Type)
 IPC_ENUM_TRAITS(WindowContainerType)
+IPC_ENUM_TRAITS(cc::TopControlsState)
 IPC_ENUM_TRAITS(content::FaviconURL::IconType)
 IPC_ENUM_TRAITS(content::FileChooserParams::Mode)
 IPC_ENUM_TRAITS(content::JavaScriptMessageType)
@@ -1268,11 +1270,12 @@ IPC_MESSAGE_ROUTED0(ViewMsg_UndoScrollFocusedEditableNodeIntoView)
 IPC_MESSAGE_ROUTED1(ViewMsg_ImeBatchStateChanged,
     bool /* is_begin */)
 
-// Notifies the renderer whether hiding/showing the top controls is enabled
-// and whether or not to animate to the proper state.
+// Notifies the renderer whether hiding/showing the top controls is enabled,
+// what the current state should be, and whether or not to animate to the
+// proper state.
 IPC_MESSAGE_ROUTED3(ViewMsg_UpdateTopControlsState,
-                    bool /* enable_hiding */,
-                    bool /* enable_showing */,
+                    cc::TopControlsState /* constraints */,
+                    cc::TopControlsState /* current */,
                     bool /* animate */)
 
 IPC_MESSAGE_ROUTED0(ViewMsg_ShowImeIfNeeded)
@@ -1418,6 +1421,11 @@ IPC_MESSAGE_ROUTED0(ViewHostMsg_UpdateScreenRects_ACK)
 IPC_MESSAGE_ROUTED1(ViewHostMsg_RequestMove,
                     gfx::Rect /* position */)
 
+// Sent by the renderer process to notify the browser that the web page has
+// programmatically scrolled.
+IPC_MESSAGE_ROUTED1(ViewHostMsg_DidProgrammaticallyScroll,
+                    gfx::Point /* scroll_point */)

[aelias_OOO_until_Jul13, 2013/05/02 18:44:23]

Let's change this to gfx::Vector2d (and likewise everywhere else in this patch),
that's the new conventional type for scroll offsets in Chromium code.

[Michael van Ouwerkerk, 2013/05/08 16:21:15]

Done.

+
 // Notifies the browser that a frame in the view has changed. This message
 // has a lot of parameters and is packed/unpacked by functions defined in
 // render_messages.h.