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

cc/tile_priority.cc

 // 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.
 
 #include "cc/tile_priority.h"
 
 #include "base/values.h"
+#include "cc/math_util.h"
 
 namespace {
 
 // TODO(qinmin): modify ui/range/Range.h to support template so that we
 // don't need to define this.
 struct Range {
   Range(float start, float end) : start_(start), end_(end) {}
   bool IsEmpty();
   float start_;
   float end_;
@@ skipping 45 matching lines @@
   case PENDING_TREE:
       return scoped_ptr<base::Value>(base::Value::CreateStringValue(
           "PENDING_TREE"));
   default:
       DCHECK(false) << "Unrecognized WhichTree value";
       return scoped_ptr<base::Value>(base::Value::CreateStringValue(
           "<unknown WhichTree value>"));
   }
 }
 
+scoped_ptr<base::Value> TileResolutionAsValue(
+    TileResolution resolution) {
+  switch (resolution) {
+  case LOW_RESOLUTION:
+    return scoped_ptr<base::Value>(base::Value::CreateStringValue(
+        "LOW_RESOLUTION"));
+  case HIGH_RESOLUTION:
+    return scoped_ptr<base::Value>(base::Value::CreateStringValue(
+        "HIGH_RESOLUTION"));
+  default:
+    DCHECK(false) << "Unrecognized TileResolution value";
+    return scoped_ptr<base::Value>(base::Value::CreateStringValue(
+        "<unknown TileResolution value>"));
+  }
+}
+
+scoped_ptr<base::Value> TilePriority::AsValue() const {
+  scoped_ptr<base::DictionaryValue> state(new base::DictionaryValue());
+  state->SetBoolean("is_live", is_live);
+  state->Set("resolution", TileResolutionAsValue(resolution).release());
+  state->SetDouble("time_to_visible_in_seconds", time_to_visible_in_seconds);
+  state->SetDouble("distance_to_visible_in_pixels", distance_to_visible_in_pixels);
+  state->Set("current_screen_quad", MathUtil::asValue(current_screen_quad).release());
+  return state.PassAs<base::Value>();
+}
 
 float TilePriority::TimeForBoundsToIntersect(const gfx::RectF& previous_bounds,
                                              const gfx::RectF& current_bounds,
                                              float time_delta,
                                              const gfx::RectF& target_bounds) {
   // Perform an intersection test explicitly between current and target.
   if (current_bounds.x() < target_bounds.right() &&
       current_bounds.y() < target_bounds.bottom() &&
       target_bounds.x() < current_bounds.right() &&
       target_bounds.y() < current_bounds.bottom())
@@ skipping 70 matching lines @@
 scoped_ptr<base::Value> GlobalStateThatImpactsTilePriority::AsValue() const {
   scoped_ptr<base::DictionaryValue> state(new base::DictionaryValue());
   state->Set("memory_limit_policy", TileMemoryLimitPolicyAsValue(memory_limit_policy).release());
   state->SetInteger("memory_limit_in_bytes", memory_limit_in_bytes);
   state->Set("tree_priority", TreePriorityAsValue(tree_priority).release());
   return state.PassAs<base::Value>();
 }
 
 
 }  // namespace cc