Introduce bottom controls to CC and let it respond to scrolling

content/browser/android/content_view_core_impl.h

 // Copyright 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.
 
 #ifndef CONTENT_BROWSER_ANDROID_CONTENT_VIEW_CORE_IMPL_H_
 #define CONTENT_BROWSER_ANDROID_CONTENT_VIEW_CORE_IMPL_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 301 matching lines @@
                            bool right_aligned);
   // Hides a visible popup menu.
   void HideSelectPopupMenu();
 
   // All sizes and offsets are in CSS pixels as cached by the renderer.
   void UpdateFrameInfo(const gfx::Vector2dF& scroll_offset,
                        float page_scale_factor,
                        const gfx::Vector2dF& page_scale_factor_limits,
                        const gfx::SizeF& content_size,
                        const gfx::SizeF& viewport_size,
-                       const gfx::Vector2dF& controls_offset,
-                       const gfx::Vector2dF& content_offset,
+                       const float top_controls_height,
+                       const float top_controls_shown_ratio,
+                       const float bottom_controls_height,
+                       const float bottom_controls_shown_ratio,
                        bool is_mobile_optimized_hint,
                        const gfx::SelectionBound& selection_start);
 
   void ForceUpdateImeAdapter(long native_ime_adapter);
   void UpdateImeAdapter(long native_ime_adapter,
                         int text_input_type,
                         int text_input_flags,
                         const std::string& text,
                         int selection_start,
                         int selection_end,
@@ skipping 45 matching lines @@
   bool IsFullscreenRequiredForOrientationLock() const;
 
   // --------------------------------------------------------------------------
   // Methods called from native code
   // --------------------------------------------------------------------------
 
   gfx::Size GetPhysicalBackingSize() const;
   gfx::Size GetViewportSizeDip() const;
   bool DoTopControlsShrinkBlinkSize() const;
   float GetTopControlsHeightDip() const;
+  float GetBottomControlsHeightDip() const;
 
   void AttachLayer(scoped_refptr<cc::Layer> layer);
   void RemoveLayer(scoped_refptr<cc::Layer> layer);
 
   void MoveRangeSelectionExtent(const gfx::PointF& extent);
 
   void SelectBetweenCoordinates(const gfx::PointF& base,
                                 const gfx::PointF& extent);
 
   void OnShowUnhandledTapUIIfNeeded(int x_dip, int y_dip);
@@ skipping 26 matching lines @@
 
   RenderWidgetHostViewAndroid* GetRenderWidgetHostViewAndroid() const;
 
   blink::WebGestureEvent MakeGestureEvent(blink::WebInputEvent::Type type,
                                           int64_t time_ms,
                                           float x,
                                           float y) const;
 
   gfx::Size GetViewportSizePix() const;
   int GetTopControlsHeightPix() const;
+  int GetBottomControlsHeightPix() const;
 
   void SendGestureEvent(const blink::WebGestureEvent& event);
 
   // Update focus state of the RenderWidgetHostView.
   void SetFocusInternal(bool focused);
 
   // Send device_orientation_ to renderer.
   void SendOrientationChangeEventInternal();
 
   float dpi_scale() const { return dpi_scale_; }
@@ skipping 29 matching lines @@
   scoped_refptr<GinJavaBridgeDispatcherHost> java_bridge_dispatcher_host_;
 
   DISALLOW_COPY_AND_ASSIGN(ContentViewCoreImpl);
 };
 
 bool RegisterContentViewCore(JNIEnv* env);
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_ANDROID_CONTENT_VIEW_CORE_IMPL_H_