[HBD] Plumb the no-fallback placeholder click into the browser process.

BUG=641626

Review-Url: https://codereview.chromium.org/2352393004
Cr-Commit-Position: refs/heads/master@{#420649}

chrome/browser/plugins/plugin_observer.cc

@@ -379,6 +379,8 @@ bool PluginObserver::OnMessageReceived(
 #endif
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_OpenAboutPlugins,
                         OnOpenAboutPlugins)
+    IPC_MESSAGE_HANDLER(ChromeViewHostMsg_ShowFlashPermissionBubble,
+                        OnShowFlashPermissionBubble)
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_CouldNotLoadPlugin,
                         OnCouldNotLoadPlugin)
 
@@ -451,6 +453,10 @@ void PluginObserver::OnOpenAboutPlugins() {
                     ui::PAGE_TRANSITION_AUTO_BOOKMARK, false));
 }
 
+void PluginObserver::OnShowFlashPermissionBubble() {
+  // TODO(tommycli): Show a permission bubble for the associated tab.
+}
+
 void PluginObserver::OnCouldNotLoadPlugin(const base::FilePath& plugin_path) {
   g_browser_process->GetMetricsServicesManager()->OnPluginLoadingError(
       plugin_path);

chrome/browser/plugins/plugin_observer.h

@@ -65,6 +65,7 @@ class PluginObserver : public content::WebContentsObserver,
 #endif
   void RemoveComponentObserver(int placeholder_id);
   void OnOpenAboutPlugins();
+  void OnShowFlashPermissionBubble();
   void OnCouldNotLoadPlugin(const base::FilePath& plugin_path);
 
 #if defined(ENABLE_PLUGIN_INSTALLATION)

chrome/common/render_messages.h

@@ -424,6 +424,9 @@ IPC_MESSAGE_ROUTED0(ChromeViewMsg_CancelledDownloadingPlugin)
 // chrome:// URLs.
 IPC_MESSAGE_ROUTED0(ChromeViewHostMsg_OpenAboutPlugins)
 
+// Tells the browser to show the Flash permission bubble in the same tab.
+IPC_MESSAGE_ROUTED0(ChromeViewHostMsg_ShowFlashPermissionBubble)
+
 // Tells the browser that there was an error loading a plugin.
 IPC_MESSAGE_ROUTED1(ChromeViewHostMsg_CouldNotLoadPlugin,
                     base::FilePath /* plugin_path */)

chrome/renderer/plugins/chrome_plugin_placeholder.cc

@@ -225,7 +225,8 @@ void ChromePluginPlaceholder::OpenAboutPluginsCallback() {
 }
 
 void ChromePluginPlaceholder::ShowPermissionBubbleCallback() {
-  // TODO(tommycli): Show a permission bubble in the browser process.
+  RenderThread::Get()->Send(
+      new ChromeViewHostMsg_ShowFlashPermissionBubble(routing_id()));
 }
 
 #if defined(ENABLE_PLUGIN_INSTALLATION)