Task manager: Get physical memory efficiently for all processes from SharedSampler

chrome/browser/task_manager/task_manager_observer.h

Index: chrome/browser/task_manager/task_manager_observer.h
diff --git a/chrome/browser/task_manager/task_manager_observer.h b/chrome/browser/task_manager/task_manager_observer.h
index c7c4f9c47539a30f27401c516aaccf74ef02c89a..73c03a77e44e735a9ae8f12ca389fe144601dc3b 100644
--- a/chrome/browser/task_manager/task_manager_observer.h
+++ b/chrome/browser/task_manager/task_manager_observer.h
@@ -25,25 +25,29 @@ using TaskIdList = std::vector<TaskId>;
 enum RefreshType {
   REFRESH_TYPE_NONE              = 0,
   REFRESH_TYPE_CPU               = 1,
-  REFRESH_TYPE_MEMORY            = 1 << 1,
-  REFRESH_TYPE_GPU_MEMORY        = 1 << 2,
-  REFRESH_TYPE_V8_MEMORY         = 1 << 3,
-  REFRESH_TYPE_SQLITE_MEMORY     = 1 << 4,
-  REFRESH_TYPE_WEBCACHE_STATS    = 1 << 5,
-  REFRESH_TYPE_NETWORK_USAGE     = 1 << 6,
-  REFRESH_TYPE_NACL              = 1 << 7,
-  REFRESH_TYPE_IDLE_WAKEUPS      = 1 << 8,
-  REFRESH_TYPE_HANDLES           = 1 << 9,
+  REFRESH_TYPE_PHYSICAL_MEMORY   = 1 << 1,
+  REFRESH_TYPE_MEMORY_DETAILS    = 1 << 2,
+  REFRESH_TYPE_GPU_MEMORY        = 1 << 3,
+  REFRESH_TYPE_V8_MEMORY         = 1 << 4,
+  REFRESH_TYPE_SQLITE_MEMORY     = 1 << 5,
+  REFRESH_TYPE_WEBCACHE_STATS    = 1 << 6,
+  REFRESH_TYPE_NETWORK_USAGE     = 1 << 7,
+  REFRESH_TYPE_NACL              = 1 << 8,
+  REFRESH_TYPE_IDLE_WAKEUPS      = 1 << 9,
+  REFRESH_TYPE_HANDLES           = 1 << 10,
 
   // Whether an observer is interested in knowing if a process is foregrounded
   // or backgrounded.
-  REFRESH_TYPE_PRIORITY          = 1 << 10,
+  REFRESH_TYPE_PRIORITY          = 1 << 11,
 
 #if defined(OS_LINUX)
   // For observers interested in getting the number of open file descriptors of
   // processes.
-  REFRESH_TYPE_FD_COUNT          = 1 << 11,
+  REFRESH_TYPE_FD_COUNT          = 1 << 12,
 #endif  // defined(OS_LINUX)
+
+  REFRESH_TYPE_MEMORY            = REFRESH_TYPE_PHYSICAL_MEMORY |
+                                   REFRESH_TYPE_MEMORY_DETAILS,
 };
 
 // Defines the interface for observers of the task manager.