[Chromium] [PowerProfiler] Support accuracy level attribute for power data provider.

content/browser/devtools/devtools_power_handler.cc

Index: content/browser/devtools/devtools_power_handler.cc
diff --git a/content/browser/devtools/devtools_power_handler.cc b/content/browser/devtools/devtools_power_handler.cc
index 27fdf294c6fe88cb35343980cedd6e6f56beb3f3..b9cb7b1bd8c1bd622b89ed3ad4197bb99f262c12 100644
--- a/content/browser/devtools/devtools_power_handler.cc
+++ b/content/browser/devtools/devtools_power_handler.cc
@@ -21,6 +21,10 @@ DevToolsPowerHandler::DevToolsPowerHandler() {
   RegisterCommandHandler(devtools::Power::canProfilePower::kName,
                          base::Bind(&DevToolsPowerHandler::OnCanProfilePower,
                                     base::Unretained(this)));
+  RegisterCommandHandler(devtools::Power::accuracyLevel::kName,

[yurys, 2014/06/17 07:45:14]

Please use getAccuracyLayer as command name (starting with a verb).

+                         base::Bind(&DevToolsPowerHandler::OnAccuracyLevel,
+                                    base::Unretained(this)));
+
 }
 
 DevToolsPowerHandler::~DevToolsPowerHandler() {
@@ -79,4 +83,18 @@ DevToolsPowerHandler::OnCanProfilePower(
   return command->SuccessResponse(result);
 }
 
+scoped_refptr<DevToolsProtocol::Response>
+DevToolsPowerHandler::OnAccuracyLevel(
+    scoped_refptr<DevToolsProtocol::Command> command) {
+  if (PowerProfilerService::GetInstance()->IsAvailable()) {
+    base::DictionaryValue* result = new base::DictionaryValue();
+    result->SetString(
+        devtools::kResult,
+        PowerProfilerService::GetInstance()->AccuracyLevel());
+    return command->SuccessResponse(result);
+  }
+
+  return command->InternalErrorResponse("Power profiler service unavailable");
+}
+
 }  // namespace content