Animated Rotation

chrome/browser/browser_about_handler.cc

Index: chrome/browser/browser_about_handler.cc
diff --git a/chrome/browser/browser_about_handler.cc b/chrome/browser/browser_about_handler.cc
index 580559953cf18050adf450c563674bd8c01921be..137a4077212bb1a8affcc2b56bec46a07b469132 100644
--- a/chrome/browser/browser_about_handler.cc
+++ b/chrome/browser/browser_about_handler.cc
@@ -5,6 +5,7 @@
 #include "chrome/browser/browser_about_handler.h"
 
 #include <algorithm>
+#include <iostream>
 #include <string>
 #include <vector>
 
@@ -47,6 +48,7 @@
 #include "content/browser/gpu/gpu_process_host.h"
 #include "content/browser/renderer_host/render_process_host.h"
 #include "content/browser/renderer_host/render_view_host.h"
+#include "content/browser/sensors/provider.h"
 #include "content/common/gpu/gpu_messages.h"
 #include "crypto/nss_util.h"
 #include "googleurl/src/gurl.h"
@@ -1449,6 +1451,24 @@ bool WillHandleBrowserAboutURL(GURL* url, Profile* profile) {
   } else if (host == chrome::kChromeUIGpuHangHost) {
     GpuProcessHost::SendOnIO(
         0, content::CAUSE_FOR_GPU_LAUNCH_ABOUT_GPUHANG, new GpuMsg_Hang());
+  } else if (host == chrome::kChromeUIRotateHost) {
+    sensors::ScreenOrientationChange change;
+    std::string query(url->query());
+    if (query == "left") {
+      change.upward = sensors::ScreenOrientationChange::LEFT;
+    } else if (query == "right") {
+      change.upward = sensors::ScreenOrientationChange::RIGHT;
+    } else if (query == "top") {
+      change.upward = sensors::ScreenOrientationChange::TOP;
+    } else if (query == "bottom") {
+      change.upward = sensors::ScreenOrientationChange::BOTTOM;
+    }
+    std::string data(reinterpret_cast<const char*>(&change), sizeof(change));
+    sensors::Provider::GetInstance()->FireSensorChanged(
+        sensors::kScreenOrientationChannel, data);
+
+    host = chrome::kChromeUIBlankHost;
+    *url = GURL(chrome::kChromeUIBlankHost);
   }
 
   // Initialize any potentially corresponding AboutSource handler.