Collect DirectX diagnostic information asynchronously....

chrome/common/gpu_info.h

Index: chrome/common/gpu_info.h
===================================================================
--- chrome/common/gpu_info.h	(revision 66118)
+++ chrome/common/gpu_info.h	(working copy)
@@ -21,9 +21,16 @@
   GPUInfo();
   ~GPUInfo() {}
 
-  // Returns whether this GPUInfo has been initialized with information
-  bool initialized() const;
+  enum Progress {
+    kUninitialized,
+    kPartial,
+    kComplete,
+  };
 
+  // Returns whether this GPUInfo has been partially or fully initialized with
+  // information.
+  Progress progress() const;
+
   // The amount of time taken to get from the process starting to the message
   // loop being pumped.
   base::TimeDelta initialization_time() const;
@@ -60,6 +67,8 @@
   // semantics are available.
   bool can_lose_context() const;
 
+  void SetProgress(Progress progress);
+
   void SetInitializationTime(const base::TimeDelta& initialization_time);
 
   // Populate variables with passed in values
@@ -78,7 +87,7 @@
 #endif
 
  private:
-  bool initialized_;
+  Progress progress_;
   base::TimeDelta initialization_time_;
   uint32 vendor_id_;
   uint32 device_id_;