Initial implementation of API WakeLock.

content/renderer/render_view_impl.cc

Index: content/renderer/render_view_impl.cc
diff --git a/content/renderer/render_view_impl.cc b/content/renderer/render_view_impl.cc
index 25a9688650725d81b869f94db80824f9ea56ea04..70d4c4f0c6fe97e93d959e4ffb0699d5bf8f5080 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -109,6 +109,7 @@
 #include "content/renderer/stats_collection_observer.h"
 #include "content/renderer/text_input_client_observer.h"
 #include "content/renderer/v8_value_converter_impl.h"
+#include "content/renderer/wake_lock_dispatcher.h"
 #include "content/renderer/web_ui_extension.h"
 #include "content/renderer/web_ui_extension_data.h"
 #include "content/renderer/web_ui_mojo.h"
@@ -732,6 +733,7 @@ RenderViewImpl::RenderViewImpl(RenderViewImplParams* params)
       accessibility_mode_(AccessibilityModeOff),
       renderer_accessibility_(NULL),
       mouse_lock_dispatcher_(NULL),
+      wakelock_dispatcher_(NULL),
 #if defined(OS_ANDROID)
       expected_content_intent_id_(0),
 #endif
@@ -4311,4 +4313,10 @@ void RenderViewImpl::DidStopLoadingIcons() {
   SendUpdateFaviconURL(urls);
 }
 
+blink::WebWakeLockClient* RenderViewImpl::wakeLockClient() {
+  if (!wakelock_dispatcher_)
+    wakelock_dispatcher_ = new WakeLockDispatcher(this);
+  return wakelock_dispatcher_;
+}
+
 }  // namespace content