crbug.com/127841 - Request Tablet Site on CB with touch screen.

chrome/browser/ui/browser_commands.cc

Index: chrome/browser/ui/browser_commands.cc
diff --git a/chrome/browser/ui/browser_commands.cc b/chrome/browser/ui/browser_commands.cc
index 423efc915ea14d1bdfdb860592384f17b6eef198..490572b41ee9dde374696c9ba74b1067cb7f3e7e 100644
--- a/chrome/browser/ui/browser_commands.cc
+++ b/chrome/browser/ui/browser_commands.cc
@@ -62,10 +62,12 @@
 #include "content/public/browser/user_metrics.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_view.h"
+#include "content/public/common/content_client.h"
 #include "content/public/common/content_restriction.h"
 #include "content/public/common/renderer_preferences.h"
 #include "content/public/common/url_constants.h"
 #include "net/base/escape.h"
+#include "webkit/glue/user_agent.h"
 #include "webkit/glue/webkit_glue.h"
 
 #if defined(OS_MACOSX)
@@ -864,6 +866,39 @@ void ToggleSpeechInput(Browser* browser) {
   GetActiveWebContents(browser)->GetRenderViewHost()->ToggleSpeechInput();
 }
 
+void ToggleRequestTabletSite(Browser* browser)
+{
+  // Note: The associated control is disabled when current_tab
+  //       or entry are NULL.
+  WebContents* current_tab = GetActiveWebContents(browser);
+  if (!current_tab)
+    return;
+  NavigationController& controller = current_tab->GetController();
+  NavigationEntry* entry = controller.GetActiveEntry();
+  if (!entry)
+    return;
+  if (entry->GetIsOverridingUserAgent()) {
+    entry->SetIsOverridingUserAgent(false);
+    const int entry_count = controller.GetEntryCount();
+    for (int ii = 0; ii < entry_count; ++ii) {
+      NavigationEntry* entry_at_idx = controller.GetEntryAtIndex(ii);
+      if (entry_at_idx) entry_at_idx->SetIsOverridingUserAgent(false);
+    }
+    current_tab->SetUserAgentOverride(std::string());
+  } else {
+    entry->SetIsOverridingUserAgent(true);
+    const int entry_count = controller.GetEntryCount();
+    for (int ii = 0; ii < entry_count; ++ii) {
+      NavigationEntry* entry_at_idx = controller.GetEntryAtIndex(ii);
+      if (entry_at_idx) entry_at_idx->SetIsOverridingUserAgent(true);
+    }
+    current_tab->SetUserAgentOverride(
+        webkit_glue::BuildUserAgentOverrideForTabletSiteFromUserAgent(
+            content::GetUserAgent(entry->GetOriginalRequestURL())));
+  }
+  controller.Reload(true);
+}
+
 void ToggleFullscreenMode(Browser* browser) {
   browser->fullscreen_controller()->ToggleFullscreenMode();
 }