Upstream the Android port find-in-page feature.

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 9b8ade47245caf20bff70631d516f1fe544e6346..49ab7ba286715c91bb8b4e1cf46e7adde198fb59 100644
--- a/content/common/view_messages.h
+++ b/content/common/view_messages.h
@@ -41,6 +41,7 @@
 #include "ui/base/range/range.h"
 #include "ui/gfx/point.h"
 #include "ui/gfx/rect.h"
+#include "ui/gfx/rect_f.h"
 #include "webkit/glue/webcookie.h"
 #include "webkit/glue/webmenuitem.h"
 #include "webkit/glue/webpreferences.h"
@@ -845,6 +846,28 @@ IPC_SYNC_MESSAGE_CONTROL0_1(ViewHostMsg_GetMonitorColorProfile,
 IPC_MESSAGE_CONTROL1(ViewMsg_New,
                      ViewMsg_New_Params)
 
+#if defined(OS_ANDROID)
+// Sent when the user clicks on the find result bar to activate a find result.
+// The point (x,y) is in fractions of the content document's width and height.
+IPC_MESSAGE_ROUTED3(ViewMsg_ActivateNearestFindResult,
+                    int /* request_id */,
+                    float /* x */,
+                    float /* y */)
+
+// Sent when the browser wants the bounding boxes of the current find matches.
+//
+// If match rects are already cached on the browser side, |current_version|
+// should be the version number from the ViewHostMsg_FindMatchRects_Reply
+// they came in, so the renderer can tell if it needs to send updated rects.
+// Otherwise just pass -1 to always receive the list of rects.
+//
+// There must be an active search string (it is probably most useful to call
+// this immediately after a ViewHostMsg_Find_Reply message arrives with
+// final_update set to true).
+IPC_MESSAGE_ROUTED1(ViewMsg_FindMatchRects,
+                    int /* current_version */)
+#endif
+
 // Reply in response to ViewHostMsg_ShowView or ViewHostMsg_ShowWidget.
 // similar to the new command, but used when the renderer created a view
 // first, and we need to update it.
@@ -2302,3 +2325,25 @@ IPC_MESSAGE_ROUTED1(ViewMsg_OrientationChangeEvent,
 // the names of any frames.
 IPC_MESSAGE_ROUTED1(ViewHostMsg_FrameTreeUpdated,
                     std::string /* json encoded frame tree */)
+
+#if defined(OS_ANDROID)
+// Response to ViewMsg_FindMatchRects.
+//
+// |version| will contain the current version number of the renderer's find
+// match list (incremented whenever they change), which should be passed in the
+// next call to ViewMsg_FindMatchRects.
+//
+// |rects| will either contain a list of the enclosing rects of all matches
+// found by the most recent Find operation, or will be empty if |version| is not
+// greater than the |current_version| passed to ViewMsg_FindMatchRects (hence
+// your locally cached rects should still be valid). The rect coords will be
+// custom normalized fractions of the document size. The rects will be sorted by
+// frame traversal order starting in the main frame, then by dom order.
+//
+// |active_rect| will contain the bounding box of the active find-in-page match
+// marker, in similarly normalized coords (or an empty rect if there isn't one).
+IPC_MESSAGE_ROUTED3(ViewHostMsg_FindMatchRects_Reply,
+                    int /* version */,
+                    std::vector<gfx::RectF> /* rects */,
+                    gfx::RectF /* active_rect */)
+#endif