[tracing] Add memory usage of Android UI resources to memory-infra

ui/android/resources/resource_manager_impl.h

Index: ui/android/resources/resource_manager_impl.h
diff --git a/ui/android/resources/resource_manager_impl.h b/ui/android/resources/resource_manager_impl.h
index eef9e9d97bbb62b81fa1b605efc7c3866cc0d62e..1f055763130409826347a77c104c6649c91c8464 100644
--- a/ui/android/resources/resource_manager_impl.h
+++ b/ui/android/resources/resource_manager_impl.h
@@ -8,6 +8,7 @@
 #include <memory>
 
 #include "base/macros.h"
+#include "base/trace_event/memory_dump_provider.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/android/resources/resource_manager.h"
 #include "ui/android/ui_android_export.h"
@@ -20,7 +21,9 @@ class UIResourceManager;
 
 namespace ui {
 
-class UI_ANDROID_EXPORT ResourceManagerImpl : public ResourceManager {
+class UI_ANDROID_EXPORT ResourceManagerImpl
+    : public ResourceManager,
+      public base::trace_event::MemoryDumpProvider {
  public:
   static ResourceManagerImpl* FromJavaObject(jobject jobj);
 
@@ -78,6 +81,10 @@ class UI_ANDROID_EXPORT ResourceManagerImpl : public ResourceManager {
   CrushedSpriteResource::SrcDstRects ProcessCrushedSpriteFrameRects(
       std::vector<std::vector<int>> frame_rects_vector);
 
+  // base::trace_event::MemoryDumpProvider implementation.
+  bool OnMemoryDump(const base::trace_event::MemoryDumpArgs& args,
+                    base::trace_event::ProcessMemoryDump* pmd) override;
+
  private:
   friend class TestResourceManagerImpl;