[cc] Trace detailed tile info when --trace-all-rendered-frames

cc/tile_priority.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 CC_TILE_PRIORITY_H_
 #define CC_TILE_PRIORITY_H_
 
 #include <limits>
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "cc/picture_pile.h"
+#include "ui/gfx/quad_f.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/size.h"
 
 namespace base {
 class Value;
 }
 
 namespace cc {
 
 enum WhichTree {
   // Note: these must be 0 and 1 because we index with them in various places,
   // e.g. in Tile::priority_.
   ACTIVE_TREE = 0,
   PENDING_TREE = 1,
   NUM_TREES = 2
   // Be sure to update WhichTreeAsValue when adding new fields.
 };
 scoped_ptr<base::Value> WhichTreeAsValue(
     WhichTree tree);
 
 enum TileResolution {
   LOW_RESOLUTION = 0 ,
   HIGH_RESOLUTION = 1,
   NON_IDEAL_RESOLUTION = 2,
 };
+scoped_ptr<base::Value> TileResolutionAsValue(
+    TileResolution resolution);
 
 struct CC_EXPORT TilePriority {
   TilePriority()
      : is_live(false),
        resolution(NON_IDEAL_RESOLUTION),
        time_to_visible_in_seconds(std::numeric_limits<float>::max()),
        distance_to_visible_in_pixels(std::numeric_limits<float>::max()) {}
 
   TilePriority(
     TileResolution resolution,
@@ skipping 33 matching lines @@
     else
       resolution = NON_IDEAL_RESOLUTION;
 
     time_to_visible_in_seconds =
       std::min(active.time_to_visible_in_seconds,
                pending.time_to_visible_in_seconds);
     distance_to_visible_in_pixels =
       std::min(active.distance_to_visible_in_pixels,
                pending.distance_to_visible_in_pixels);
   }
+  void set_current_screen_quad(const gfx::QuadF& q) { current_screen_quad = q; }
+
+  scoped_ptr<base::Value> AsValue() const;
 
   static const float kMaxDistanceInContentSpace;
 
   static inline float manhattanDistance(const gfx::RectF& a, const gfx::RectF& b) {
     // Compute the union explicitly.
     gfx::RectF c = gfx::RectF(
         std::min(a.x(), b.x()),
         std::min(a.y(), b.y()),
         std::max(a.right(), b.right()) - std::min(a.x(), b.x()),
         std::max(a.bottom(), b.bottom()) - std::min(a.y(), b.y()));
@@ skipping 11 matching lines @@
   static float TimeForBoundsToIntersect(const gfx::RectF& previous_bounds,
                                         const gfx::RectF& current_bounds,
                                         float time_delta,
                                         const gfx::RectF& target_bounds);
 
   // If a tile is not live, then all other fields are invalid.
   bool is_live;
   TileResolution resolution;
   float time_to_visible_in_seconds;
   float distance_to_visible_in_pixels;
+
+private:
+  gfx::QuadF current_screen_quad;
 };
 
 enum TileMemoryLimitPolicy {
   // Nothing.
   ALLOW_NOTHING,
 
   // You might be made visible, but you're not being interacted with.
   ALLOW_ABSOLUTE_MINIMUM, // Tall.
 
   // You're being interacted with, but we're low on memory.
@@ skipping 29 matching lines @@
   size_t memory_limit_in_bytes;
 
   TreePriority tree_priority;
 
   scoped_ptr<base::Value> AsValue() const;
 };
 
 }  // namespace cc
 
 #endif  // CC_TILE_PRIORITY_H_