RC: Start renaming CoordinationUnit->Node.

Bug: 910288
Change-Id: Icfbb9da91d5f15d53839e7a6b3de4dd084a37ab1
Reviewed-on: https://chromium-review.googlesource.com/c/1456977
Commit-Queue: Sigurður Ásgeirsson <siggi@chromium.org>
Reviewed-by: Chris Hamilton <chrisha@chromium.org>
Cr-Commit-Position: refs/heads/master@{#629998}

chrome/browser/BUILD.gn

@@ -1050,24 +1050,24 @@ jumbo_split_static_library("browser") {
     "payments/payment_handler_permission_context.cc",
     "payments/payment_handler_permission_context.h",
     "payments/ssl_validity_checker.cc",
-    "performance_manager/coordination_unit/coordination_unit_base.cc",
-    "performance_manager/coordination_unit/coordination_unit_base.h",
-    "performance_manager/coordination_unit/coordination_unit_graph.cc",
-    "performance_manager/coordination_unit/coordination_unit_graph.h",
-    "performance_manager/coordination_unit/coordination_unit_introspector_impl.cc",
-    "performance_manager/coordination_unit/coordination_unit_introspector_impl.h",
-    "performance_manager/coordination_unit/coordination_unit_provider_impl.cc",
-    "performance_manager/coordination_unit/coordination_unit_provider_impl.h",
-    "performance_manager/coordination_unit/frame_coordination_unit_impl.cc",
-    "performance_manager/coordination_unit/frame_coordination_unit_impl.h",
-    "performance_manager/coordination_unit/page_coordination_unit_impl.cc",
-    "performance_manager/coordination_unit/page_coordination_unit_impl.h",
-    "performance_manager/coordination_unit/process_coordination_unit_impl.cc",
-    "performance_manager/coordination_unit/process_coordination_unit_impl.h",
-    "performance_manager/coordination_unit/system_coordination_unit_impl.cc",
-    "performance_manager/coordination_unit/system_coordination_unit_impl.h",
     "performance_manager/frame_resource_coordinator.cc",
     "performance_manager/frame_resource_coordinator.h",
+    "performance_manager/graph/frame_node_impl.cc",
+    "performance_manager/graph/frame_node_impl.h",
+    "performance_manager/graph/graph.cc",
+    "performance_manager/graph/graph.h",
+    "performance_manager/graph/graph_introspector_impl.cc",
+    "performance_manager/graph/graph_introspector_impl.h",
+    "performance_manager/graph/graph_node_provider_impl.cc",
+    "performance_manager/graph/graph_node_provider_impl.h",
+    "performance_manager/graph/node_base.cc",
+    "performance_manager/graph/node_base.h",
+    "performance_manager/graph/page_node_impl.cc",
+    "performance_manager/graph/page_node_impl.h",
+    "performance_manager/graph/process_node_impl.cc",
+    "performance_manager/graph/process_node_impl.h",
+    "performance_manager/graph/system_node_impl.cc",
+    "performance_manager/graph/system_node_impl.h",
     "performance_manager/observers/background_metrics_reporter.h",
     "performance_manager/observers/coordination_unit_graph_observer.cc",
     "performance_manager/observers/coordination_unit_graph_observer.h",