Reland: Plugin Power Saver: Improve Poster behavior for essential plugins.

content/renderer/pepper/plugin_instance_throttler_impl.cc

Index: content/renderer/pepper/plugin_instance_throttler_impl.cc
diff --git a/content/renderer/pepper/plugin_instance_throttler_impl.cc b/content/renderer/pepper/plugin_instance_throttler_impl.cc
index 22bfec87c01a169bd070ab9f36feb7e1246c2572..5a153b79b095503b2c05873c489bcaad1a5fcc3d 100644
--- a/content/renderer/pepper/plugin_instance_throttler_impl.cc
+++ b/content/renderer/pepper/plugin_instance_throttler_impl.cc
@@ -139,18 +139,17 @@ void PluginInstanceThrottlerImpl::Initialize(
 
   // |frame| may be nullptr in tests.
   if (frame) {
-    bool cross_origin_main_content = false;
     float zoom_factor = GetWebPlugin()->container()->pageZoomFactor();
-    if (!frame->ShouldThrottleContent(
-            frame->GetWebFrame()->top()->securityOrigin(), content_origin,
-            roundf(unobscured_size.width() / zoom_factor),
-            roundf(unobscured_size.height() / zoom_factor),
-            &cross_origin_main_content)) {
+    auto status = frame->GetPeripheralContentStatus(
+        frame->GetWebFrame()->top()->securityOrigin(), content_origin,
+        gfx::Size(roundf(unobscured_size.width() / zoom_factor),
+                  roundf(unobscured_size.height() / zoom_factor)));
+    if (status != RenderFrame::CONTENT_STATUS_PERIPHERAL) {
       DCHECK_NE(THROTTLER_STATE_MARKED_ESSENTIAL, state_);
       state_ = THROTTLER_STATE_MARKED_ESSENTIAL;
       FOR_EACH_OBSERVER(Observer, observer_list_, OnPeripheralStateChange());
 
-      if (cross_origin_main_content)
+      if (status == RenderFrame::CONTENT_STATUS_ESSENTIAL_CROSS_ORIGIN_BIG)
         frame->WhitelistContentOrigin(content_origin);
 
       return;