Add an API for hosted apps to check their install and running states.

chrome/browser/extensions/chrome_app_api_browsertest.cc

Index: chrome/browser/extensions/chrome_app_api_browsertest.cc
diff --git a/chrome/browser/extensions/chrome_app_api_browsertest.cc b/chrome/browser/extensions/chrome_app_api_browsertest.cc
index 44e91cc21be815e601f4ef207e261ab3560b30d8..a0847a737afb93b9858e7e05e14d5a4565596af9 100644
--- a/chrome/browser/extensions/chrome_app_api_browsertest.cc
+++ b/chrome/browser/extensions/chrome_app_api_browsertest.cc
@@ -10,6 +10,8 @@
 #include "base/string_number_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/extensions/extension_browsertest.h"
+#include "chrome/browser/extensions/extension_service.h"
+#include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/extensions/extension.h"
@@ -21,14 +23,41 @@
 
 class ChromeAppAPITest : public ExtensionBrowserTest {
  protected:
-  bool IsAppInstalled() {
+  bool IsAppInstalled() { return IsAppInstalled(L""); }
+  bool IsAppInstalled(const std::wstring& frame_xpath) {
     std::wstring get_app_is_installed =
         L"window.domAutomationController.send(window.chrome.app.isInstalled);";
     bool result;
     CHECK(
         ui_test_utils::ExecuteJavaScriptAndExtractBool(
             browser()->GetSelectedWebContents()->GetRenderViewHost(),
-            L"", get_app_is_installed, &result));
+            frame_xpath, get_app_is_installed, &result));
+    return result;
+  }
+
+  std::string InstallState() { return InstallState(L""); }
+  std::string InstallState(const std::wstring& frame_xpath) {
+    std::wstring get_app_install_state =
+        L"window.chrome.app.installState("
+        L"function(s) { window.domAutomationController.send(s); });";
+    std::string result;
+    CHECK(
+        ui_test_utils::ExecuteJavaScriptAndExtractString(
+            browser()->GetSelectedWebContents()->GetRenderViewHost(),
+            frame_xpath, get_app_install_state, &result));
+    return result;
+  }
+
+  std::string RunningState() { return RunningState(L""); }
+  std::string RunningState(const std::wstring& frame_xpath) {
+    std::wstring get_app_install_state =
+        L"window.domAutomationController.send("
+        L"window.chrome.app.runningState());";
+    std::string result;
+    CHECK(
+        ui_test_utils::ExecuteJavaScriptAndExtractString(
+            browser()->GetSelectedWebContents()->GetRenderViewHost(),
+            frame_xpath, get_app_install_state, &result));
     return result;
   }
 
@@ -181,3 +210,84 @@ IN_PROC_BROWSER_TEST_F(ChromeAppAPITest, GetDetailsForFrame) {
   EXPECT_TRUE(app_details.get());
   EXPECT_TRUE(app_details->Equals(extension->manifest()->value()));
 }
+
+
+IN_PROC_BROWSER_TEST_F(ChromeAppAPITest, InstallAndRunningState) {
+  std::string app_host("app.com");
+  std::string non_app_host("nonapp.com");
+
+  host_resolver()->AddRule(app_host, "127.0.0.1");
+  host_resolver()->AddRule(non_app_host, "127.0.0.1");
+  ASSERT_TRUE(test_server()->Start());
+
+  GURL test_file_url(test_server()->GetURL(
+      "files/extensions/get_app_details_for_frame.html"));
+  GURL::Replacements replace_host;
+
+  replace_host.SetHostStr(app_host);
+  GURL app_url(test_file_url.ReplaceComponents(replace_host));
+
+  replace_host.SetHostStr(non_app_host);
+  GURL non_app_url(test_file_url.ReplaceComponents(replace_host));
+
+  // Before the app is installed, app.com does not think that it is installed
+  ui_test_utils::NavigateToURL(browser(), app_url);
+
+  EXPECT_EQ("not_installed", InstallState());
+  EXPECT_EQ("cannot_run", RunningState());
+  EXPECT_FALSE(IsAppInstalled());
+
+  const Extension* extension = LoadExtension(
+      test_data_dir_.AppendASCII("app_dot_com_app"));
+  ASSERT_TRUE(extension);
+
+  EXPECT_EQ("installed", InstallState());
+  EXPECT_EQ("ready_to_run", RunningState());
+  EXPECT_FALSE(IsAppInstalled());
+
+  // Reloading the page should put the tab in an app process.
+  CHECK(ui_test_utils::ExecuteJavaScript(
+      browser()->GetSelectedWebContents()->GetRenderViewHost(),
+      L"", L"window.location.reload();"));
+
+  EXPECT_EQ("installed", InstallState());
+  EXPECT_EQ("running", RunningState());
+  EXPECT_TRUE(IsAppInstalled());
+
+  // Disable the extension and verify the state.
+  browser()->profile()->GetExtensionService()->DisableExtension(
+      extension->id(), Extension::DISABLE_PERMISSIONS_INCREASE);
+  CHECK(ui_test_utils::ExecuteJavaScript(
+      browser()->GetSelectedWebContents()->GetRenderViewHost(),
+      L"", L"window.location.reload();"));
+
+  EXPECT_EQ("disabled", InstallState());
+  EXPECT_EQ("cannot_run", RunningState());
+  EXPECT_FALSE(IsAppInstalled());
+
+  browser()->profile()->GetExtensionService()->EnableExtension(extension->id());
+  EXPECT_EQ("installed", InstallState());
+  EXPECT_EQ("ready_to_run", RunningState());
+  EXPECT_FALSE(IsAppInstalled());
+
+  // The non-app URL should still not be installed or running.
+  ui_test_utils::NavigateToURL(browser(), non_app_url);
+
+  EXPECT_EQ("not_installed", InstallState());
+  EXPECT_EQ("cannot_run", RunningState());
+  EXPECT_FALSE(IsAppInstalled());
+
+  EXPECT_EQ("installed", InstallState(L"//html/iframe[1]"));
+  EXPECT_EQ("cannot_run", RunningState(L"//html/iframe[1]"));
+  EXPECT_FALSE(IsAppInstalled(L"//html/iframe[1]"));
+
+  // Swap the iframe and the parent frame.
+  ui_test_utils::NavigateToURL(browser(), app_url);
+  CHECK(ui_test_utils::ExecuteJavaScript(
+      browser()->GetSelectedWebContents()->GetRenderViewHost(),
+      L"", L"newFrame('nonapp.com');"));
+
+  EXPECT_EQ("not_installed", InstallState(L"//html/iframe[1]"));
+  EXPECT_EQ("cannot_run", RunningState(L"//html/iframe[1]"));
+  EXPECT_FALSE(IsAppInstalled(L"//html/iframe[1]"));
+}