Consolidate ProfilerMetadata and TimerMetadata.

There is no good reason to have the two types.

This also means that the result of LayoutTask::profiler_metadata no longer
borrows the LayoutTask, which I'll need later.

components/layout/layout_task.rs

@@ -44,7 +44,7 @@ use opaque_node::OpaqueNodeMethods;
 use parallel::{self, WorkQueueData};
 use profile_traits::mem::{self, Report, ReportKind, ReportsChan};
 use profile_traits::time::{TimerMetadataFrameType, TimerMetadataReflowType};
-use profile_traits::time::{self, ProfilerMetadata, profile};
+use profile_traits::time::{self, TimerMetadata, profile};
 use query::{LayoutRPCImpl, process_content_box_request, process_content_boxes_request};
 use query::{MarginPadding, MarginRetrievingFragmentBorderBoxIterator, PositionProperty};
 use query::{PositionRetrievingFragmentBorderBoxIterator, Side};
@@ -1434,18 +1434,20 @@ impl LayoutTask {
     }
 
     /// Returns profiling information which is passed to the time profiler.
-    fn profiler_metadata(&self) -> ProfilerMetadata {
-        Some((&self.url,
-              if self.is_iframe {
+    fn profiler_metadata(&self) -> Option<TimerMetadata> {
+        Some(TimerMetadata {
+            url: self.url.serialize(),
+            iframe: if self.is_iframe {
                 TimerMetadataFrameType::IFrame
-              } else {
+            } else {
                 TimerMetadataFrameType::RootWindow
-              },
-              if self.first_reflow.get() {
+            },
+            incremental: if self.first_reflow.get() {
                 TimerMetadataReflowType::FirstReflow
-              } else {
+            } else {
                 TimerMetadataReflowType::Incremental
-              }))
+            },
+        })
     }
 }
 

components/layout/parallel.rs

@@ -12,7 +12,7 @@ use context::{LayoutContext, SharedLayoutContext};
 use flow::{self, Flow, MutableFlowUtils, PostorderFlowTraversal, PreorderFlowTraversal};
 use flow_ref::{self, FlowRef};
 use gfx::display_list::OpaqueNode;
-use profile_traits::time::{self, ProfilerMetadata, profile};
+use profile_traits::time::{self, TimerMetadata, profile};
 use std::mem;
 use std::sync::atomic::{AtomicIsize, Ordering};
 use traversal::PostorderNodeMutTraversal;
@@ -465,7 +465,7 @@ pub fn traverse_dom_preorder(root: LayoutNode,
 
 pub fn traverse_flow_tree_preorder(
         root: &mut FlowRef,
-        profiler_metadata: ProfilerMetadata,
+        profiler_metadata: Option<TimerMetadata>,
         time_profiler_chan: time::ProfilerChan,
         shared_layout_context: &SharedLayoutContext,
         queue: &mut WorkQueue<SharedLayoutContext, WorkQueueData>) {
@@ -488,7 +488,7 @@ pub fn traverse_flow_tree_preorder(
 
 pub fn build_display_list_for_subtree(
         root: &mut FlowRef,
-        profiler_metadata: ProfilerMetadata,
+        profiler_metadata: Option<TimerMetadata>,
         time_profiler_chan: time::ProfilerChan,
         shared_layout_context: &SharedLayoutContext,
         queue: &mut WorkQueue<SharedLayoutContext, WorkQueueData>) {

components/profile/time.rs

@@ -8,6 +8,7 @@ use heartbeats;
 use ipc_channel::ipc::{self, IpcReceiver};
 use profile_traits::energy::{energy_interval_ms, read_energy_uj};
 use profile_traits::time::{ProfilerCategory, ProfilerChan, ProfilerMsg, TimerMetadata};
+use profile_traits::time::{TimerMetadataReflowType, TimerMetadataFrameType};
 use std::borrow::ToOwned;
 use std::cmp::Ordering;
 use std::collections::BTreeMap;
@@ -31,8 +32,14 @@ impl Formattable for Option<TimerMetadata> {
                 } else {
                     url
                 };
-                let incremental = if meta.incremental { "    yes" } else { "    no " };
-                let iframe = if meta.iframe { "  yes" } else { "  no " };
+                let incremental = match meta.incremental {
+                    TimerMetadataReflowType::Incremental => "    yes",
+                    TimerMetadataReflowType::FirstReflow => "    no ",
+                };
+                let iframe = match meta.iframe {
+                    TimerMetadataFrameType::RootWindow => "  yes",
+                    TimerMetadataFrameType::IFrame => "  no ",
+                };
                 format!(" {:14} {:9} {:30}", incremental, iframe, url)
             },
             None =>

components/profile_traits/Cargo.toml

@@ -13,10 +13,6 @@ energy-profiling = ["energymon", "energy-monitor"]
 [dependencies.ipc-channel]
 git = "https://github.com/pcwalton/ipc-channel"
 
-[dependencies.url]
-version = "0.2"
-features = [ "serde_serialization" ]
-
 [dependencies.energymon]
 git = "https://github.com/energymon/energymon-rust.git"
 rev = "eba1d8a"

components/profile_traits/time.rs

@@ -3,18 +3,16 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 extern crate time as std_time;
-extern crate url;
 
 use energy::read_energy_uj;
 use ipc_channel::ipc::IpcSender;
 use self::std_time::precise_time_ns;
-use self::url::Url;
 
 #[derive(PartialEq, Clone, PartialOrd, Eq, Ord, Deserialize, Serialize)]
 pub struct TimerMetadata {
     pub url:         String,
-    pub iframe:      bool,
-    pub incremental: bool,
+    pub iframe:      TimerMetadataFrameType,
+    pub incremental: TimerMetadataReflowType,
 }
 
 #[derive(Clone, Deserialize, Serialize)]
@@ -77,23 +75,20 @@ pub enum ProfilerCategory {
     ApplicationHeartbeat,
 }
 
-#[derive(Eq, PartialEq)]
+#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Deserialize, Serialize)]
 pub enum TimerMetadataFrameType {
     RootWindow,
     IFrame,
 }
 
-#[derive(Eq, PartialEq)]
+#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Deserialize, Serialize)]
 pub enum TimerMetadataReflowType {
     Incremental,
     FirstReflow,
 }
 
-pub type ProfilerMetadata<'a> =
-    Option<(&'a Url, TimerMetadataFrameType, TimerMetadataReflowType)>;
-
 pub fn profile<T, F>(category: ProfilerCategory,
-                     meta: ProfilerMetadata,
+                     meta: Option<TimerMetadata>,
                      profiler_chan: ProfilerChan,
                      callback: F)
                   -> T
@@ -104,12 +99,6 @@ pub fn profile<T, F>(category: ProfilerCategory,
     let val = callback();
     let end_time = precise_time_ns();
     let end_energy = read_energy_uj();
-    let meta = meta.map(|(url, iframe, reflow_type)|
-        TimerMetadata {
-            url: url.serialize(),
-            iframe: iframe == TimerMetadataFrameType::IFrame,
-            incremental: reflow_type == TimerMetadataReflowType::Incremental,
-        });
     profiler_chan.send(ProfilerMsg::Time((category, meta),
                                          (start_time, end_time),
                                          (start_energy, end_energy)));

components/servo/Cargo.lock

@@ -1416,7 +1416,6 @@ dependencies = [
  "serde 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_macros 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.32 (registry+https://github.com/rust-lang/crates.io-index)",
- "url 0.2.37 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]