Plugin Power Saver: Add comprehensive browser tests.

content/renderer/pepper/plugin_power_saver_helper.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/pepper/plugin_power_saver_helper.h"
 
 #include "base/metrics/histogram.h"
 #include "base/strings/string_number_conversions.h"
 #include "content/common/frame_messages.h"
 #include "content/public/common/content_constants.h"
 #include "content/public/renderer/render_frame.h"
+#include "content/public/test/ppapi_test_utils.h"
+#include "ppapi/shared_impl/ppapi_constants.h"
 #include "third_party/WebKit/public/web/WebDocument.h"
 #include "third_party/WebKit/public/web/WebLocalFrame.h"
 #include "third_party/WebKit/public/web/WebPluginParams.h"
 #include "third_party/WebKit/public/web/WebView.h"
 
 namespace content {
 
 namespace {
 
 // Initial decision of the peripheral content decision.
@@ skipping 92 matching lines @@
     const GURL& content_origin,
     const std::string& plugin_module_name,
     int width,
     int height,
     bool* cross_origin_main_content) const {
   DCHECK_EQ(content_origin.GetOrigin(), content_origin);
   if (cross_origin_main_content)
     *cross_origin_main_content = false;
 
   // This feature has only been tested throughly with Flash thus far.
-  if (plugin_module_name != content::kFlashPluginName)
+  // It is also enabled for the PPAPI test library for browser tests.
+  if (plugin_module_name != content::kFlashPluginName &&
+      plugin_module_name != ppapi::kPpapiTestLibraryName) {
     return false;
+  }
 
   if (width <= 0 || height <= 0)
     return false;
 
   // TODO(alexmos): Update this to use the origin of the RemoteFrame when 426512
   // is fixed. For now, case 3 in the class level comment doesn't work in
   // --site-per-process mode.
   blink::WebFrame* main_frame =
       render_frame()->GetWebFrame()->view()->mainFrame();
   if (main_frame->isWebRemoteFrame()) {
@@ skipping 37 matching lines @@
 void PluginPowerSaverHelper::WhitelistContentOrigin(
     const GURL& content_origin) {
   DCHECK_EQ(content_origin.GetOrigin(), content_origin);
   if (origin_whitelist_.insert(content_origin).second) {
     Send(new FrameHostMsg_PluginContentOriginAllowed(
         render_frame()->GetRoutingID(), content_origin));
   }
 }
 
 }  // namespace content