Revert 119206 - Mouse Lock is currently supported in Pepper, but not yet supported from WebKit.

Move the render thread logic for managing the mouse lock state out of the pepper_plugin_delegate_impl, and into a higher level dispatcher for render_view_impl.

Handle mouse lock / pointer lock requests from both pepper and webkit (WebKit API not yet landed, small TODOs left in this code to enable once that lands).

BUG=109957
TEST=Pepper examples/mouse_lock and NaCl mouse lock examples still work.

Review URL: http://codereview.chromium.org/8970016

TBR=scheib@chromium.org
Review URL: https://chromiumcodereview.appspot.com/9293001

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@119208 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 0 insertions, 117 deletions

diff --git a/content/renderer/mouse_lock_dispatcher.cc b/content/renderer/mouse_lock_dispatcher.cc
deleted file mode 100644
index 41ed654..0000000
--- a/content/renderer/mouse_lock_dispatcher.cc
+++ /dev/null
@@ -1,117 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "content/renderer/mouse_lock_dispatcher.h"
-
-#include "content/common/view_messages.h"
-#include "content/renderer/render_view_impl.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebInputEvent.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebWidget.h"
-
-MouseLockDispatcher::MouseLockDispatcher(RenderViewImpl* render_view_impl)
-    : content::RenderViewObserver(render_view_impl),
-      render_view_impl_(render_view_impl),
-      mouse_locked_(false),
-      pending_lock_request_(false),
-      pending_unlock_request_(false),
-      target_(NULL) {
-}
-
-MouseLockDispatcher::~MouseLockDispatcher() {
-}
-
-bool MouseLockDispatcher::LockMouse(LockTarget* target) {
-  if (MouseLockedOrPendingAction())
-    return false;
-
-  pending_lock_request_ = true;
-  target_ = target;
-
-  Send(new ViewHostMsg_LockMouse(routing_id()));
-  return true;
-}
-
-void MouseLockDispatcher::UnlockMouse(LockTarget* target) {
-  if (target && target == target_ && !pending_unlock_request_) {
-    pending_unlock_request_ = true;
-    Send(new ViewHostMsg_UnlockMouse(routing_id()));
-  }
-}
-
-void MouseLockDispatcher::OnLockTargetDestroyed(LockTarget* target) {
-  if (target == target_) {
-    UnlockMouse(target);
-    target_ = NULL;
-  }
-}
-
-bool MouseLockDispatcher::IsMouseLockedTo(LockTarget* target) {
-  return mouse_locked_ && target_ == target;
-}
-
-bool MouseLockDispatcher::WillHandleMouseEvent(
-    const WebKit::WebMouseEvent& event) {
-  if (mouse_locked_ && target_)
-    return target_->HandleMouseLockedInputEvent(event);
-  return false;
-}
-
-bool MouseLockDispatcher::OnMessageReceived(const IPC::Message& message) {
-  bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP(MouseLockDispatcher, message)
-    IPC_MESSAGE_HANDLER(ViewMsg_LockMouse_ACK, OnLockMouseACK)
-    IPC_MESSAGE_HANDLER(ViewMsg_MouseLockLost, OnMouseLockLost)
-    IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP()
-  return handled;
-}
-
-void MouseLockDispatcher::OnLockMouseACK(bool succeeded) {
-  DCHECK(!mouse_locked_ && pending_lock_request_);
-
-  mouse_locked_ = succeeded;
-  pending_lock_request_ = false;
-  if (pending_unlock_request_ && !succeeded) {
-    // We have sent an unlock request after the lock request. However, since
-    // the lock request has failed, the unlock request will be ignored by the
-    // browser side and there won't be any response to it.
-    pending_unlock_request_ = false;
-  }
-
-  LockTarget* last_target = target_;
-  if (!succeeded)
-    target_ = NULL;
-
-  // Callbacks made after all state modification to prevent reentrant errors
-  // such as OnLockMouseACK() synchronously calling LockMouse().
-
-  if (last_target)
-    last_target->OnLockMouseACK(succeeded);
-
-  // Mouse Lock removes the system cursor and provides all mouse motion as
-  // .movementX/Y values on events all sent to a fixed target. This requires
-  // content to specifically request the mode to be entered.
-  // Mouse Capture is implicitly given for the duration of a drag event, and
-  // sends all mouse events to the initial target of the drag.
-  // If Lock is entered it supercedes any in progress Capture.
-  if (succeeded && render_view_impl_->webwidget())
-      render_view_impl_->webwidget()->mouseCaptureLost();
-}
-
-void MouseLockDispatcher::OnMouseLockLost() {
-  DCHECK(mouse_locked_ && !pending_lock_request_);
-
-  mouse_locked_ = false;
-  pending_unlock_request_ = false;
-
-  LockTarget* last_target = target_;
-  target_ = NULL;
-
-  // Callbacks made after all state modification to prevent reentrant errors
-  // such as OnMouseLockLost() synchronously calling LockMouse().
-
-  if (last_target)
-    last_target->OnMouseLockLost();
-}
-