[DevTools] Add power profiler and power overview in timeline panel.

Source/core/inspector/InspectorFrontendHost.cpp

Index: Source/core/inspector/InspectorFrontendHost.cpp
diff --git a/Source/core/inspector/InspectorFrontendHost.cpp b/Source/core/inspector/InspectorFrontendHost.cpp
old mode 100644
new mode 100755
index 20f2160f56f9e1d34670a05e4de0cbe08a2c647c..e6b85eea73044550a01a8ea29c0b340fae4f22a0
--- a/Source/core/inspector/InspectorFrontendHost.cpp
+++ b/Source/core/inspector/InspectorFrontendHost.cpp
@@ -222,4 +222,28 @@ bool InspectorFrontendHost::isUnderTest()
     return m_client && m_client->isUnderTest();
 }
 
+void InspectorFrontendHost::checkPowerProfileSupportedStatus()
+{
+    if (m_client)
+        m_client->checkPowerProfileSupportedStatus();
+}
+
+void InspectorFrontendHost::startPowerProfile()
+{
+    if (m_client)
+        m_client->startPowerProfile();
+}
+
+void InspectorFrontendHost::stopPowerProfile()
+{
+    if (m_client)
+        m_client->stopPowerProfile();
+}
+
+void InspectorFrontendHost::setPowerProfileResolution(unsigned resolution)
+{
+    if (m_client)
+        m_client->setPowerProfileResolution(resolution);
+}
+
 } // namespace WebCore