Damage root layer when viewport or top controls changes.

cc/input/top_controls_manager.cc

 // Copyright 2013 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 "cc/input/top_controls_manager.h"
 
 #include <algorithm>
 
 #include "base/logging.h"
 #include "base/time.h"
@@ skipping 60 matching lines @@
 
   if (visibility_restriction_ != NONE &&
       final_controls_position != controls_top_offset_) {
     ResetAnimations();
     if (animate) {
       SetupAnimation(visibility_restriction_ == ALWAYS_SHOWN ?
           SHOWING_CONTROLS : HIDING_CONTROLS);
     } else {
       controls_top_offset_ = final_controls_position;
     }
-    client_->setNeedsRedraw();
+    client_->DidChangeTopControlsPosition();
   }
 }
 
 void TopControlsManager::ScrollBegin() {
   ResetAnimations();
   current_scroll_delta_ = 0.f;
   controls_scroll_begin_offset_ = controls_top_offset_;
 }
 
 gfx::Vector2dF TopControlsManager::ScrollBy(
@@ skipping 27 matching lines @@
 
 void TopControlsManager::SetControlsTopOffset(float controls_top_offset) {
   controls_top_offset = std::max(controls_top_offset, -top_controls_height_);
   controls_top_offset = std::min(controls_top_offset, 0.f);
 
   if (controls_top_offset_ == controls_top_offset)
     return;
 
   controls_top_offset_ = controls_top_offset;
 
-  client_->setNeedsRedraw();
-  client_->setActiveTreeNeedsUpdateDrawProperties();
+  client_->DidChangeTopControlsPosition();
 }
 
 gfx::Vector2dF TopControlsManager::Animate(base::TimeTicks monotonic_time) {
-  if (!top_controls_animation_ || !client_->haveRootScrollLayer())
+  if (!top_controls_animation_ || !client_->HaveRootScrollLayer())
     return gfx::Vector2dF();
 
   double time = (monotonic_time - base::TimeTicks()).InMillisecondsF();
 
   float old_offset = controls_top_offset_;
   SetControlsTopOffset(top_controls_animation_->GetValue(time));
 
   if (IsAnimationCompleteAtTime(monotonic_time))
     ResetAnimations();
 
@@ skipping 39 matching lines @@
       // If we could be either showing or hiding, we determine which one to
       // do based on whether or not the total scroll delta was moving up or
       // down.
       show_controls = current_scroll_delta_ <= 0.f ?
           SHOWING_CONTROLS : HIDING_CONTROLS;
     }
 
     if (show_controls != NO_ANIMATION &&
         (!top_controls_animation_ || animation_direction_ != show_controls)) {
       SetupAnimation(show_controls);
-      client_->setNeedsRedraw();
+      client_->DidChangeTopControlsPosition();
     }
   }
 }
 
 bool TopControlsManager::IsAnimationCompleteAtTime(base::TimeTicks time) {
   if (!top_controls_animation_)
     return true;
 
   double time_ms = (time - base::TimeTicks()).InMillisecondsF();
   float new_offset = top_controls_animation_->GetValue(time_ms);
 
   if ((animation_direction_ == SHOWING_CONTROLS && new_offset >= 0) ||
       (animation_direction_ == HIDING_CONTROLS
           && new_offset <= -top_controls_height_)) {
     return true;
   }
   return false;
 }
 
 }  // namespace cc