Revert 202620 "Collect tab timing information for use in telemen..."

trunk/src/content/renderer/dom_automation_controller.cc

Index: trunk/src/content/renderer/dom_automation_controller.cc
===================================================================
--- trunk/src/content/renderer/dom_automation_controller.cc	(revision 202661)
+++ trunk/src/content/renderer/dom_automation_controller.cc	(working copy)
@@ -31,6 +31,12 @@
                                       base::Unretained(this)));
   BindCallback("sendWithId", base::Bind(&DomAutomationController::SendWithId,
                                         base::Unretained(this)));
+  BindCallback("getHistogram",
+               base::Bind(&DomAutomationController::GetHistogram,
+                          base::Unretained(this)));
+  BindCallback("getBrowserHistogram",
+               base::Bind(&DomAutomationController::GetBrowserHistogram,
+                          base::Unretained(this)));
 }
 
 void DomAutomationController::Send(const CppArgumentList& args,
@@ -171,4 +177,40 @@
   result->Set(true);
 }
 
+void DomAutomationController::GetHistogram(const CppArgumentList& args,
+                                           CppVariant* result) {
+  if (args.size() != 1) {
+    result->SetNull();
+    return;
+  }
+  base::HistogramBase* histogram =
+      base::StatisticsRecorder::FindHistogram(args[0].ToString());
+  std::string output;
+  if (!histogram) {
+    output = "{}";
+  } else {
+    histogram->WriteJSON(&output);
+  }
+  result->Set(output);
+}
+
+void DomAutomationController::GetBrowserHistogram(const CppArgumentList& args,
+                                                  CppVariant* result) {
+  if (args.size() != 1) {
+    result->SetNull();
+    return;
+  }
+
+  if (!sender_) {
+    NOTREACHED();
+    result->SetNull();
+    return;
+  }
+
+  std::string histogram_json;
+  sender_->Send(new ChildProcessHostMsg_GetBrowserHistogram(
+      args[0].ToString(), &histogram_json));
+  result->Set(histogram_json);
+}
+
 }  // namespace content