Rename "lib/" to "quic_trace/"

C++ built with Bazel uses repository-relative paths, meaning that
"lib/quic_trace.pb.h" is ambiguous.

README.md

diff --git a/README.md b/README.md
index cb8d6cb..5bdd90f 100644
--- a/README.md
+++ b/README.md
@@ -13,8 +13,8 @@
 ## How to record this format
 
 The traces are represented as a Protocol Buffer, which is completely described
-in `lib/quic_trace.proto`.  Projects that use Bazel can embed this repository
-directly and use the provided Bazel rules.
+in `quic_trace/quic_trace.proto`.  Projects that use Bazel can embed this
+repository directly and use the provided Bazel rules.
 
 ## OpenGL-based renderer
 

quic_trace/BUILD

diff --git a/lib/BUILD b/quic_trace/BUILD
similarity index 100%
rename from lib/BUILD
rename to quic_trace/BUILD

quic_trace/analysis/BUILD

diff --git a/lib/analysis/BUILD b/quic_trace/analysis/BUILD
similarity index 94%
rename from lib/analysis/BUILD
rename to quic_trace/analysis/BUILD
index 0e0f107..cb84cfc 100644
--- a/lib/analysis/BUILD
+++ b/quic_trace/analysis/BUILD
@@ -22,7 +22,7 @@
     name = "numbering",
     hdrs = ["trace_numbering.h"],
     deps = [
-        "//lib:quic_trace_cc_proto",
+        "//quic_trace:quic_trace_cc_proto",
         "@com_google_absl//absl/container:flat_hash_map",
         "@com_google_glog//:glog",
     ],

quic_trace/analysis/trace_numbering.h

diff --git a/lib/analysis/trace_numbering.h b/quic_trace/analysis/trace_numbering.h
similarity index 98%
rename from lib/analysis/trace_numbering.h
rename to quic_trace/analysis/trace_numbering.h
index fa390cf..8cffeda 100644
--- a/lib/analysis/trace_numbering.h
+++ b/quic_trace/analysis/trace_numbering.h
@@ -23,7 +23,7 @@
 #include <unordered_map>
 
 #include "absl/container/flat_hash_map.h"
-#include "lib/quic_trace.pb.h"
+#include "quic_trace/quic_trace.pb.h"
 
 namespace quic_trace {
 

quic_trace/quic_trace.proto

diff --git a/lib/quic_trace.proto b/quic_trace/quic_trace.proto
similarity index 100%
rename from lib/quic_trace.proto
rename to quic_trace/quic_trace.proto

tools/BUILD

diff --git a/tools/BUILD b/tools/BUILD
index cc8ec3d..7b4e441 100644
--- a/tools/BUILD
+++ b/tools/BUILD
@@ -18,7 +18,7 @@
     name = "quic_trace_to_time_sequence_gnuplot",
     srcs = ["quic_trace_to_time_sequence_gnuplot.cc"],
     deps = [
-        "//lib:quic_trace_cc_proto",
+        "//quic_trace:quic_trace_cc_proto",
         "@com_google_absl//absl/container:flat_hash_map",
         "@com_google_absl//absl/container:flat_hash_set",
         "@com_google_absl//absl/flags:flag",
@@ -30,7 +30,7 @@
     name = "transform_quic_trace",
     srcs = ["transform_quic_trace.cc"],
     deps = [
-        "//lib:quic_trace_cc_proto",
+        "//quic_trace:quic_trace_cc_proto",
         "@com_google_absl//absl/flags:flag",
         "@com_google_absl//absl/flags:parse",
         "@com_google_absl//absl/strings",

tools/quic_trace_to_time_sequence_gnuplot.cc

diff --git a/tools/quic_trace_to_time_sequence_gnuplot.cc b/tools/quic_trace_to_time_sequence_gnuplot.cc
index dfa5d95..42bdaf3 100644
--- a/tools/quic_trace_to_time_sequence_gnuplot.cc
+++ b/tools/quic_trace_to_time_sequence_gnuplot.cc
@@ -22,7 +22,7 @@
 #include "absl/container/flat_hash_set.h"
 #include "absl/flags/flag.h"
 #include "absl/flags/parse.h"
-#include "lib/quic_trace.pb.h"
+#include "quic_trace/quic_trace.pb.h"
 
 ABSL_FLAG(std::string,
           sequence,

tools/render/BUILD

diff --git a/tools/render/BUILD b/tools/render/BUILD
index 7f381c6..dd46504 100644
--- a/tools/render/BUILD
+++ b/tools/render/BUILD
@@ -76,8 +76,8 @@
     ],
     deps = [
         ":render_core",
-        "//lib:quic_trace_cc_proto",
-        "//lib/analysis:numbering",
+        "//quic_trace:quic_trace_cc_proto",
+        "//quic_trace/analysis:numbering",
         "@com_google_absl//absl/algorithm:container",
         "@com_google_absl//absl/container:flat_hash_map",
         "@com_google_absl//absl/container:flat_hash_set",

tools/render/processed_trace.h

diff --git a/tools/render/processed_trace.h b/tools/render/processed_trace.h
index 609f134..2530103 100644
--- a/tools/render/processed_trace.h
+++ b/tools/render/processed_trace.h
@@ -17,8 +17,8 @@
 
 #include "absl/container/flat_hash_map.h"
 #include "absl/container/flat_hash_set.h"
-#include "lib/analysis/trace_numbering.h"
-#include "lib/quic_trace.pb.h"
+#include "quic_trace/analysis/trace_numbering.h"
+#include "quic_trace/quic_trace.pb.h"
 #include "tools/render/table.h"
 #include "tools/render/trace_renderer.h"
 

tools/render/trace_program.h

diff --git a/tools/render/trace_program.h b/tools/render/trace_program.h
index 590d626..f0699f1 100644
--- a/tools/render/trace_program.h
+++ b/tools/render/trace_program.h
@@ -16,7 +16,7 @@
 #define THIRD_PARTY_QUIC_TRACE_TOOLS_TRACE_PROGRAM_H_
 
 #include "absl/time/time.h"
-#include "lib/quic_trace.pb.h"
+#include "quic_trace/quic_trace.pb.h"
 #include "tools/render/axis_renderer.h"
 #include "tools/render/processed_trace.h"
 #include "tools/render/program_state.h"

tools/transform_quic_trace.cc

diff --git a/tools/transform_quic_trace.cc b/tools/transform_quic_trace.cc
index 1513f4a..4af96e5 100644
--- a/tools/transform_quic_trace.cc
+++ b/tools/transform_quic_trace.cc
@@ -23,7 +23,7 @@
 #include "absl/flags/parse.h"
 #include "absl/strings/string_view.h"
 #include "google/protobuf/util/json_util.h"
-#include "lib/quic_trace.pb.h"
+#include "quic_trace/quic_trace.pb.h"
 
 ABSL_FLAG(bool, whitespace, true, "Add whitespace to the JSON output");
 ABSL_FLAG(std::string,