Upstream rewrite of Instant.

chrome/common/render_messages.h

Index: chrome/common/render_messages.h
diff --git a/chrome/common/render_messages.h b/chrome/common/render_messages.h
index cea44c4e90723acd7a34c154173ab0e780b52243..d2004c33f38d84b5a0389fe317fed26efe4dafe2 100644
--- a/chrome/common/render_messages.h
+++ b/chrome/common/render_messages.h
@@ -267,21 +267,17 @@ IPC_MESSAGE_ROUTED3(ChromeViewMsg_HandleMessageFromExternalHost,
                     std::string /* The target*/)
 
 IPC_MESSAGE_ROUTED4(ChromeViewMsg_SearchBoxChange,
-                    string16 /* value */,
+                    std::string /* value */,
                     bool /* verbatim */,
-                    int /* selection_start */,
-                    int /* selection_end */)
-IPC_MESSAGE_ROUTED2(ChromeViewMsg_SearchBoxSubmit,
-                    string16 /* value */,
-                    bool /* verbatim */)
-IPC_MESSAGE_ROUTED0(ChromeViewMsg_SearchBoxCancel)
+                    size_t /* selection_start */,
+                    size_t /* selection_end */)
+IPC_MESSAGE_ROUTED1(ChromeViewMsg_SearchBoxSubmit,
+                    std::string /* value */)
+IPC_MESSAGE_ROUTED1(ChromeViewMsg_SearchBoxCancel,
+                    std::string /* value */)
 IPC_MESSAGE_ROUTED1(ChromeViewMsg_SearchBoxResize,
                     gfx::Rect /* search_box_bounds */)
-IPC_MESSAGE_ROUTED4(ChromeViewMsg_DetermineIfPageSupportsInstant,
-                    string16 /* value*/,
-                    bool /* verbatim */,
-                    int /* selection_start */,
-                    int /* selection_end */)
+IPC_MESSAGE_ROUTED0(ChromeViewMsg_DetermineIfPageSupportsInstant)
 
 // Toggles visual muting of the render view area. This is on when a constrained
 // window is showing.