Mouse lock implementation, including the renderer side and the Windows version of the browser side.

content/renderer/render_view.cc

Index: content/renderer/render_view.cc
diff --git a/content/renderer/render_view.cc b/content/renderer/render_view.cc
index de09b3e397b07a85f4b917527705e8d4546ec424..f5fc86bafe737f225bf944f10697cf0f6cc617dc 100644
--- a/content/renderer/render_view.cc
+++ b/content/renderer/render_view.cc
@@ -736,6 +736,8 @@ bool RenderView::OnMessageReceived(const IPC::Message& message) {
     IPC_MESSAGE_HANDLER(ViewMsg_SetHistoryLengthAndPrune,
                         OnSetHistoryLengthAndPrune)
     IPC_MESSAGE_HANDLER(ViewMsg_EnableViewSourceMode, OnEnableViewSourceMode)
+    IPC_MESSAGE_HANDLER(ViewMsg_LockMouse_ACK, OnLockMouseACK)
+    IPC_MESSAGE_HANDLER(ViewMsg_MouseLockLost, OnMouseLockLost)
 
     // Have the super handle all other messages.
     IPC_MESSAGE_UNHANDLED(handled = RenderWidget::OnMessageReceived(message))
@@ -4162,6 +4164,10 @@ void RenderView::DidHandleMouseEvent(const WebKit::WebMouseEvent& event) {
   FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidHandleMouseEvent(event));
 }
 
+bool RenderView::OnBeforeHandleInputEvent(const WebKit::WebInputEvent& event) {
+  return pepper_delegate_.DispatchLockedMouseEvent(event);
+}
+
 void RenderView::OnWasHidden() {
   RenderWidget::OnWasHidden();
 
@@ -4597,3 +4603,12 @@ void RenderView::OnEnableViewSourceMode() {
     return;
   main_frame->enableViewSourceMode(true);
 }
+
+void RenderView::OnLockMouseACK(bool succeeded) {
+  pepper_delegate_.OnLockMouseACK(succeeded);
+}
+
+void RenderView::OnMouseLockLost() {
+  pepper_delegate_.OnMouseLockLost();
+}
+