Send input event IPCs directly from the UI thread

chrome/browser/chrome_content_browser_client.cc

 // Copyright (c) 2012 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 "chrome/browser/chrome_content_browser_client.h"
 
 #include <map>
 #include <set>
 #include <utility>
 #include <vector>
@@ skipping 971 matching lines @@
 #endif
 #if defined(OS_ANDROID)
   host->AddFilter(new cdm::CdmMessageFilterAndroid());
 #endif
   DataReductionProxyChromeSettings* data_reduction_proxy_settings =
       DataReductionProxyChromeSettingsFactory::GetForBrowserContext(profile);
   host->AddFilter(new data_reduction_proxy::DataReductionProxyMessageFilter(
       data_reduction_proxy_settings));
   host->AddFilter(new startup_metric_utils::StartupMetricMessageFilter());
 
-  host->Send(new ChromeViewMsg_SetIsIncognitoProcess(
+  host->GetImmediateSender()->Send(new ChromeViewMsg_SetIsIncognitoProcess(
       profile->IsOffTheRecord()));
 
   for (size_t i = 0; i < extra_parts_.size(); ++i)
     extra_parts_[i]->RenderProcessWillLaunch(host);
 
   RendererContentSettingRules rules;
   if (host->IsForGuestsOnly()) {
 #if defined(ENABLE_EXTENSIONS)
     GetGuestViewDefaultContentSettingRules(profile->IsOffTheRecord(), &rules);
 #else
     NOTREACHED();
 #endif
   } else {
     GetRendererContentSettingRules(
         HostContentSettingsMapFactory::GetForProfile(profile), &rules);
   }
-  host->Send(new ChromeViewMsg_SetContentSettingRules(rules));
+  host->GetImmediateSender()->Send(
+      new ChromeViewMsg_SetContentSettingRules(rules));
 }
 
 GURL ChromeContentBrowserClient::GetEffectiveURL(
     content::BrowserContext* browser_context, const GURL& url) {
   Profile* profile = Profile::FromBrowserContext(browser_context);
   if (!profile)
     return url;
 
   // If the input |url| should be assigned to the Instant renderer, make its
   // effective URL distinct from other URLs on the search provider's domain.
@@ skipping 1967 matching lines @@
   if (channel <= kMaxDisableEncryptionChannel) {
     static const char* const kWebRtcDevSwitchNames[] = {
       switches::kDisableWebRtcEncryption,
     };
     to_command_line->CopySwitchesFrom(from_command_line,
                                       kWebRtcDevSwitchNames,
                                       arraysize(kWebRtcDevSwitchNames));
   }
 }
 #endif  // defined(ENABLE_WEBRTC)