WIP: Plumbing through text selection granularity control support

content/common/input_messages.h

Index: content/common/input_messages.h
diff --git a/content/common/input_messages.h b/content/common/input_messages.h
index 14967b4847c40c01a2ac46b406d4105979de3dbe..50401ed4697ea4acc266644abae113d994b4f4aa 100644
--- a/content/common/input_messages.h
+++ b/content/common/input_messages.h
@@ -23,6 +23,7 @@
 #include "content/public/common/common_param_traits.h"
 #include "ipc/ipc_message_macros.h"
 #include "third_party/WebKit/public/web/WebInputEvent.h"
+#include "third_party/WebKit/public/web/WebLocalFrame.h"
 #include "ui/events/ipc/latency_info_param_traits.h"
 #include "ui/gfx/geometry/point.h"
 #include "ui/gfx/geometry/rect.h"
@@ -47,6 +48,8 @@ IPC_ENUM_TRAITS_MAX_VALUE(
 IPC_ENUM_TRAITS_MAX_VALUE(
     content::SyntheticGestureParams::GestureType,
     content::SyntheticGestureParams::SYNTHETIC_GESTURE_TYPE_MAX)
+IPC_ENUM_TRAITS_MAX_VALUE(blink::WebLocalFrame::TextGranularity,
+                          blink::WebLocalFrame::TextGranularityLast)
 IPC_ENUM_TRAITS_VALIDATE(content::TouchAction, (
     value >= 0 &&
     value <= content::TOUCH_ACTION_MAX &&
@@ -207,8 +210,9 @@ IPC_MESSAGE_ROUTED2(InputMsg_SelectRange,
 
 // Requests the renderer to move the selection extent point to a new position.
 // Expects a MoveRangeSelectionExtent_ACK message when finished.
-IPC_MESSAGE_ROUTED1(InputMsg_MoveRangeSelectionExtent,
-                    gfx::Point /* extent */)
+IPC_MESSAGE_ROUTED2(InputMsg_MoveRangeSelectionExtent,
+                    gfx::Point /* extent */,
+                    blink::WebLocalFrame::TextGranularity /* granularity */)
 
 // Requests the renderer to move the caret selection toward the point.
 // Expects a MoveCaret_ACK message when finished.