[PM] Migrate IsolationContextMetrics to use public observer API.
This also lifts a few node accessor functions to the public Graph API.
BUG=910288
Change-Id: Ib1df9088175c53fabe39a4559c1f7fb396b697db
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1686013
Commit-Queue: Chris Hamilton <[email protected]>
Auto-Submit: Chris Hamilton <[email protected]>
Reviewed-by: Sigurður Ásgeirsson <[email protected]>
Cr-Commit-Position: refs/heads/master@{#674486}
diff --git a/chrome/browser/performance_manager/public/graph/graph.h b/chrome/browser/performance_manager/public/graph/graph.h
index 0cc76500..efdb217 100644
--- a/chrome/browser/performance_manager/public/graph/graph.h
+++ b/chrome/browser/performance_manager/public/graph/graph.h
@@ -15,9 +15,13 @@
class GraphObserver;
class GraphOwned;
+class FrameNode;
class FrameNodeObserver;
+class PageNode;
class PageNodeObserver;
+class ProcessNode;
class ProcessNodeObserver;
+class SystemNode;
class SystemNodeObserver;
// Represents a graph of the nodes representing a single browser. Maintains a
@@ -60,6 +64,12 @@
static_cast<DerivedType*>(TakeFromGraph(graph_owned).release()));
}
+ // Returns a collection of all known nodes of the given type.
+ virtual const SystemNode* FindOrCreateSystemNode() = 0;
+ virtual std::vector<const FrameNode*> GetAllFrameNodes() const = 0;
+ virtual std::vector<const PageNode*> GetAllPageNodes() const = 0;
+ virtual std::vector<const ProcessNode*> GetAllProcessNodes() const = 0;
+
// The following functions are implementation detail and should not need to be
// used by external clients. They provide the ability to safely downcast to
// the underlying implementation.
