Add buttons to clear the cache and flush socket

pools to net-internals events view.  This can make
reproducing some issues much less painful.

Review URL: http://codereview.chromium.org/8590037

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@110605 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/resources/net_internals/browser_bridge.js

@@ -148,6 +148,10 @@ var BrowserBridge = (function() {
       this.send('clearHostResolverCache');
     },
 
+    sendClearBrowserCache: function() {
+      this.send('clearBrowserCache');
+    },
+
     sendStartConnectionTests: function(url) {
       this.send('startConnectionTests', [url]);
     },

chrome/browser/resources/net_internals/events_view.html

@@ -29,6 +29,8 @@
 <div id=events-view-action-box>
   <input type=button value="Delete selected" id=events-view-delete-selected />
   <input type=button value="Delete all" id=events-view-delete-all />
+  <input type=button value="Clear cache" id=events-view-clear-cache class=warningText />
+  <input type=button value="Flush sockets" id=events-view-flush-sockets class=warningText />
 </div>
 <!-- Splitter Box: This is a handle to resize the vertical divider -->
 <div id=events-view-splitter-box class=vertical-splitter></div>

chrome/browser/resources/net_internals/events_view.js

@@ -67,6 +67,11 @@ var EventsView = (function() {
         g_browser.sourceTracker.deleteAllSourceEntries.bind(
             g_browser.sourceTracker);
 
+    $(EventsView.CLEAR_CACHE_ID).onclick = this.clearCache_.bind(this);
+
+    $(EventsView.FLUSH_SOCKETS_ID).onclick =
+        g_browser.sendFlushSocketPools.bind(g_browser);
+
     $(EventsView.SELECT_ALL_ID).addEventListener(
         'click', this.selectAll_.bind(this), true);
 
@@ -94,6 +99,8 @@ var EventsView = (function() {
   EventsView.FILTER_COUNT_ID = 'events-view-filter-count';
   EventsView.DELETE_SELECTED_ID = 'events-view-delete-selected';
   EventsView.DELETE_ALL_ID = 'events-view-delete-all';
+  EventsView.CLEAR_CACHE_ID = 'events-view-clear-cache';
+  EventsView.FLUSH_SOCKETS_ID = 'events-view-flush-sockets';
   EventsView.SELECT_ALL_ID = 'events-view-select-all';
   EventsView.SORT_BY_ID_ID = 'events-view-sort-by-id';
   EventsView.SORT_BY_SOURCE_TYPE_ID = 'events-view-sort-by-source';
@@ -461,6 +468,12 @@ var EventsView = (function() {
       return true;
     },
 
+    // Clear the browser and host caches.
+    clearCache_: function() {
+      g_browser.sendClearHostResolverCache();
+      g_browser.sendClearBrowserCache();
+    },
+
     incrementPrefilterCount: function(offset) {
       this.numPrefilter_ += offset;
       this.invalidateFilterCounter_();

chrome/browser/ui/webui/net_internals_ui.cc

@@ -24,6 +24,7 @@
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/browser_process.h"
+#include "chrome/browser/browsing_data_remover.h"
 #include "chrome/browser/io_thread.h"
 #include "chrome/browser/net/chrome_net_log.h"
 #include "chrome/browser/net/connection_tester.h"
@@ -174,11 +175,12 @@ class NetInternalsMessageHandler
   // Javascript message handlers.
   void OnRendererReady(const ListValue* list);
   void OnEnableHttpThrottling(const ListValue* list);
+  void OnClearBrowserCache(const ListValue* list);
+  void OnGetPrerenderInfo(const ListValue* list);
 #ifdef OS_CHROMEOS
   void OnRefreshSystemLogs(const ListValue* list);
   void OnGetSystemLog(const ListValue* list);
 #endif
-  void OnGetPrerenderInfo(const ListValue* list);
 
  private:
   class IOThreadImpl;
@@ -532,16 +534,7 @@ void NetInternalsMessageHandler::RegisterMessages() {
       base::Bind(&IOThreadImpl::CallbackHelper,
                  &IOThreadImpl::OnGetServiceProviders, proxy_));
 #endif
-#ifdef OS_CHROMEOS
-  web_ui_->RegisterMessageCallback(
-      "refreshSystemLogs",
-      base::Bind(&NetInternalsMessageHandler::OnRefreshSystemLogs,
-                 base::Unretained(this)));
-  web_ui_->RegisterMessageCallback(
-      "getSystemLog",
-      base::Bind(&NetInternalsMessageHandler::OnGetSystemLog,
-                 base::Unretained(this)));
-#endif
+
   web_ui_->RegisterMessageCallback(
       "setLogLevel",
       base::Bind(&IOThreadImpl::CallbackHelper,
@@ -550,10 +543,24 @@ void NetInternalsMessageHandler::RegisterMessages() {
       "enableHttpThrottling",
       base::Bind(&NetInternalsMessageHandler::OnEnableHttpThrottling,
                  base::Unretained(this)));
+  web_ui_->RegisterMessageCallback(
+      "clearBrowserCache",
+      base::Bind(&NetInternalsMessageHandler::OnClearBrowserCache,
+                 base::Unretained(this)));
   web_ui_->RegisterMessageCallback(
       "getPrerenderInfo",
       base::Bind(&NetInternalsMessageHandler::OnGetPrerenderInfo,
                  base::Unretained(this)));
+#ifdef OS_CHROMEOS
+  web_ui_->RegisterMessageCallback(
+      "refreshSystemLogs",
+      base::Bind(&NetInternalsMessageHandler::OnRefreshSystemLogs,
+                 base::Unretained(this)));
+  web_ui_->RegisterMessageCallback(
+      "getSystemLog",
+      base::Bind(&NetInternalsMessageHandler::OnGetSystemLog,
+                 base::Unretained(this)));
+#endif
 }
 
 void NetInternalsMessageHandler::SendJavascriptCommand(
@@ -615,6 +622,15 @@ void NetInternalsMessageHandler::OnEnableHttpThrottling(const ListValue* list) {
   }
 }
 
+void NetInternalsMessageHandler::OnClearBrowserCache(const ListValue* list) {
+  BrowsingDataRemover* remover =
+      new BrowsingDataRemover(Profile::FromWebUI(web_ui()),
+                              BrowsingDataRemover::EVERYTHING,
+                              base::Time());
+  remover->Remove(BrowsingDataRemover::REMOVE_CACHE);
+  // BrowsingDataRemover deletes itself.
+}
+
 void NetInternalsMessageHandler::OnGetPrerenderInfo(const ListValue* list) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));