Minor cleanup of RootView. Removes unused double_buffered field from

RootView, as well as renaming RootView::ProcessPendingPaint to PaintNow.

BUG=1255929
TEST=none



git-svn-id: svn://svn.chromium.org/chrome/trunk/src@750 0039d316-1c4b-4281-b951-d872f2087c98

4 files changed, 18 insertions, 27 deletions

diff --git a/chrome/views/chrome_menu.cc b/chrome/views/chrome_menu.cc
index a0c6abb..75736d9 100644
--- a/chrome/views/chrome_menu.cc
+++ b/chrome/views/chrome_menu.cc
@@ -550,7 +550,7 @@ class MenuHostRootView : public RootView {
  public:
   explicit MenuHostRootView(ViewContainer* container,
                             SubmenuView* submenu)
-      : RootView(container, true),
+      : RootView(container),
         submenu_(submenu),
         forward_drag_to_menu_controller_(true),
         suspend_events_(false) {
diff --git a/chrome/views/hwnd_view_container.cc b/chrome/views/hwnd_view_container.cc
index 12c0de4..a9649b5 100644
--- a/chrome/views/hwnd_view_container.cc
+++ b/chrome/views/hwnd_view_container.cc
@@ -818,7 +818,7 @@ void HWNDViewContainer::ChangeSize(UINT size_param, const CSize& size) {
 }
 
 RootView* HWNDViewContainer::CreateRootView() {
-  return new RootView(this, true);
+  return new RootView(this);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
diff --git a/chrome/views/root_view.cc b/chrome/views/root_view.cc
index f0ad017..8145d16 100644
--- a/chrome/views/root_view.cc
+++ b/chrome/views/root_view.cc
@@ -63,7 +63,7 @@ class PaintTask : public Task {
 
   void Run() {
     if (root_view_)
-      root_view_->ProcessPendingPaint();
+      root_view_->PaintNow();
   }
  private:
   // The target root view.
@@ -80,9 +80,8 @@ const char RootView::kViewClassName[] = "chrome/views/RootView";
 //
 /////////////////////////////////////////////////////////////////////////////
 
-RootView::RootView(ViewContainer* view_container, bool double_buffer)
-  : double_buffer_(double_buffer),
-    view_container_(view_container),
+RootView::RootView(ViewContainer* view_container)
+  : view_container_(view_container),
     invalid_rect_(0,0,0,0),
     mouse_pressed_handler_(NULL),
     mouse_move_handler_(NULL),
@@ -149,18 +148,6 @@ void RootView::SchedulePaint(int x, int y, int w, int h) {
   View::SchedulePaint();
 }
 
-void RootView::ProcessPendingPaint() {
-  if (pending_paint_task_) {
-    pending_paint_task_->Cancel();
-    pending_paint_task_ = NULL;
-  }
-  if (!paint_task_needed_)
-    return;
-  ViewContainer* vc = GetViewContainer();
-  if (vc)
-    vc->PaintNow(invalid_rect_);
-}
-
 #ifndef NDEBUG
 // Sets the value of RootView's |is_processing_paint_| member to true as long
 // as ProcessPaint is being called. Sets it to |false| when it returns.
@@ -214,7 +201,15 @@ void RootView::ProcessPaint(ChromeCanvas* canvas) {
 }
 
 void RootView::PaintNow() {
-  GetViewContainer()->PaintNow(invalid_rect_);
+  if (pending_paint_task_) {
+    pending_paint_task_->Cancel();
+    pending_paint_task_ = NULL;
+  }
+  if (!paint_task_needed_)
+    return;
+  ViewContainer* vc = GetViewContainer();
+  if (vc)
+    vc->PaintNow(invalid_rect_);
 }
 
 bool RootView::NeedsPainting(bool urgent) {
diff --git a/chrome/views/root_view.h b/chrome/views/root_view.h
index 545f553..0937db0 100644
--- a/chrome/views/root_view.h
+++ b/chrome/views/root_view.h
@@ -69,7 +69,7 @@ class RootView : public View,
  public:
   static const char kViewClassName[];
 
-  RootView(ViewContainer* view_container, bool double_buffer);
+  explicit RootView(ViewContainer* view_container);
 
   virtual ~RootView();
 
@@ -87,7 +87,9 @@ class RootView : public View,
   // Paint this RootView and its child Views.
   virtual void ProcessPaint(ChromeCanvas* canvas);
 
-  // Paint this View's invalid rect immediately.
+  // If the invalid rect is non-empty and there is a pending paint the RootView
+  // is painted immediately. This is internally invoked as the result of
+  // invoking SchedulePaint.
   virtual void PaintNow();
 
   // Whether or not this View needs repainting. If |urgent| is true, this method
@@ -243,9 +245,6 @@ class RootView : public View,
   void RegisterViewForVisibleBoundsNotification(View* view);
   void UnregisterViewForVisibleBoundsNotification(View* view);
 
-  // Invoked by PaintTask to paint the root view in a non urgent way.
-  void ProcessPendingPaint();
-
   // Returns the next focusable view or view containing a FocusTraversable (NULL
   // if none was found), starting at the starting_view.
   // skip_starting_view, can_go_up and can_go_down controls the traversal of
@@ -287,9 +286,6 @@ class RootView : public View,
   // If a view is dragging, this returns it. Otherwise returns NULL.
   View* GetDragView();
 
-  // Whether or not we're double buffering paints
-  bool double_buffer_;
-
   // The view currently handing down - drag - up
   View* mouse_pressed_handler_;