Cross-process frames should be notified of device scale factor changes.

content/browser/renderer_host/render_widget_host_view_android.cc

 // 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/browser/renderer_host/render_widget_host_view_android.h"
 
 #include <android/bitmap.h>
 
 #include <utility>
 
@@ skipping 1430 matching lines @@
   if (view_.GetLayer())
     DestroyDelegatedContent();
 }
 
 bool RenderWidgetHostViewAndroid::HasAcceleratedSurface(
     const gfx::Size& desired_size) {
   NOTREACHED();
   return false;
 }
 
-void RenderWidgetHostViewAndroid::GetScreenInfo(blink::WebScreenInfo* result) {
-  // ScreenInfo isn't tied to the widget on Android. Always return the default.
-  RenderWidgetHostViewBase::GetDefaultScreenInfo(result);
-}
-
 // TODO(jrg): Find out the implications and answer correctly here,
 // as we are returning the WebView and not root window bounds.
 gfx::Rect RenderWidgetHostViewAndroid::GetBoundsInRootWindow() {
   return GetViewBounds();
 }
 
 void RenderWidgetHostViewAndroid::ProcessAckedTouchEvent(
     const TouchEventWithLatencyInfo& touch, InputEventAckState ack_result) {
   const bool event_consumed = ack_result == INPUT_EVENT_ACK_STATE_CONSUMED;
   gesture_provider_.OnTouchEventAck(touch.event.uniqueTouchEventId,
@@ skipping 475 matching lines @@
                                                     float x,
                                                     float y) {
   // Treat the stylus tap as a long press, activating either a word selection or
   // context menu depending on the targetted content.
   blink::WebGestureEvent long_press = WebGestureEventBuilder::Build(
       blink::WebInputEvent::GestureLongPress,
       (time - base::TimeTicks()).InSecondsF(), x, y);
   SendGestureEvent(long_press);
 }
 
-// static
-void RenderWidgetHostViewBase::GetDefaultScreenInfo(
-    blink::WebScreenInfo* results) {
-  const display::Display& display =
-      display::Screen::GetScreen()->GetPrimaryDisplay();
-  results->rect = display.bounds();
-  // TODO(husky): Remove any system controls from availableRect.
-  results->availableRect = display.work_area();
-  results->deviceScaleFactor = display.device_scale_factor();
-  results->orientationAngle = display.RotationAsDegree();
-  results->orientationType =
-      RenderWidgetHostViewBase::GetOrientationTypeForMobile(display);
-  gfx::DeviceDisplayInfo info;
-  results->depth = display.color_depth();
-  results->depthPerComponent = display.depth_per_component();
-  results->isMonochrome = (results->depthPerComponent == 0);
-}
-
 void RenderWidgetHostViewAndroid::ComputeEventLatencyOSTouchHistograms(
       const ui::MotionEvent& event) {
   base::TimeTicks event_time = event.GetEventTime();
   base::TimeDelta delta = base::TimeTicks::Now() - event_time;
   switch (event.GetAction()) {
     case ui::MotionEvent::ACTION_DOWN:
     case ui::MotionEvent::ACTION_POINTER_DOWN:
       UMA_HISTOGRAM_CUSTOM_COUNTS("Event.Latency.OS.TOUCH_PRESSED",
                                   delta.InMicroseconds(), 1, 1000000, 50);
       return;
     case ui::MotionEvent::ACTION_MOVE:
       UMA_HISTOGRAM_CUSTOM_COUNTS("Event.Latency.OS.TOUCH_MOVED",
                                   delta.InMicroseconds(), 1, 1000000, 50);
       return;
     case ui::MotionEvent::ACTION_UP:
     case ui::MotionEvent::ACTION_POINTER_UP:
       UMA_HISTOGRAM_CUSTOM_COUNTS("Event.Latency.OS.TOUCH_RELEASED",
                                   delta.InMicroseconds(), 1, 1000000, 50);
     default:
       return;
   }
 }
 
 }  // namespace content