Plugin Power Saver: Make posters work right when image is 404 Not Found.

chrome/browser/plugins/plugin_power_saver_browsertest.cc

Index: chrome/browser/plugins/plugin_power_saver_browsertest.cc
diff --git a/chrome/browser/plugins/plugin_power_saver_browsertest.cc b/chrome/browser/plugins/plugin_power_saver_browsertest.cc
index 0d77e0df4a8c3273dfc51b3c1d486664a8541672..87eb77a12a1d8b2643f96876cf78e04bb21069fb 100644
--- a/chrome/browser/plugins/plugin_power_saver_browsertest.cc
+++ b/chrome/browser/plugins/plugin_power_saver_browsertest.cc
@@ -79,7 +79,7 @@ IN_PROC_BROWSER_TEST_F(PluginPowerSaverBrowserTest, LargeCrossOrigin) {
   EXPECT_FALSE(IsPluginPeripheral("plugin"));
 }
 
-IN_PROC_BROWSER_TEST_F(PluginPowerSaverBrowserTest, LargeWithPoster) {
+IN_PROC_BROWSER_TEST_F(PluginPowerSaverBrowserTest, LargePluginsUsePosters) {

[Lei Zhang, 2015/04/15 07:39:07]

Just name this correctly in the CL that adds it.

[tommycli, 2015/04/17 00:12:15]

Done.

   LoadHTML(
       "<object id='plugin' type='application/x-ppapi-tests' "
       "    width='400' height='500'>"
@@ -88,6 +88,23 @@ IN_PROC_BROWSER_TEST_F(PluginPowerSaverBrowserTest, LargeWithPoster) {
   EXPECT_TRUE(IsPluginPeripheral("plugin"));
 }
 
+IN_PROC_BROWSER_TEST_F(PluginPowerSaverBrowserTest, SmallPluginWithPoster) {
+  LoadHTML(
+      "<object id='plugin' type='application/x-ppapi-tests' "
+      "    width='400' height='100'>"
+      "  <param name='poster' value='snapshot1x.png 1x, snapshot2x.png 2x' />"
+      "</object>");
+  EXPECT_TRUE(IsPluginPeripheral("plugin"));
+
+  // Test that the small plugin is essential after clicking on poster.
+  content::SimulateMouseClickAt(GetActiveWebContents(), 0 /* modifiers */,
+                                blink::WebMouseEvent::ButtonLeft,
+                                gfx::Point(50, 50));
+  content::RunAllBlockingPoolTasksUntilIdle();
+
+  EXPECT_FALSE(IsPluginPeripheral("plugin"));
+}
+
 IN_PROC_BROWSER_TEST_F(PluginPowerSaverBrowserTest, OriginWhitelisting) {
   LoadHTML(
       "<object id='plugin1' data='http://otherorigin.com/fake1.swf' "