Revert of Browser Side Text Input State Tracking for OOPIF.

content/browser/site_per_process_browsertest.cc

Index: content/browser/site_per_process_browsertest.cc
diff --git a/content/browser/site_per_process_browsertest.cc b/content/browser/site_per_process_browsertest.cc
index f9266bd2104543d5e6dceb64fb49402fa733d313..9143f47f9786b8981f8f882bd93498ad56039c0a 100644
--- a/content/browser/site_per_process_browsertest.cc
+++ b/content/browser/site_per_process_browsertest.cc
@@ -31,6 +31,7 @@
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/browser/renderer_host/render_widget_host_input_event_router.h"
 #include "content/browser/renderer_host/render_widget_host_view_aura.h"
+#include "content/browser/web_contents/web_contents_impl.h"
 #include "content/common/frame_messages.h"
 #include "content/common/input/synthetic_tap_gesture_params.h"
 #include "content/common/view_messages.h"
@@ -46,6 +47,7 @@
 #include "content/public/test/content_browser_test_utils.h"
 #include "content/public/test/test_navigation_observer.h"
 #include "content/public/test/test_utils.h"
+#include "content/shell/browser/shell.h"
 #include "content/test/content_browser_test_utils_internal.h"
 #include "content/test/test_frame_navigation_observer.h"
 #include "ipc/ipc_security_test_util.h"
@@ -6320,217 +6322,4 @@
   EXPECT_FALSE(rvh->is_swapped_out_);
 }
 
-// This class will sniff incoming IPC for ViewHostMsg_TextInputStateChanged.
-class TextInputStateChangedMessageFilter : public BrowserMessageFilter {
- public:
-  explicit TextInputStateChangedMessageFilter(
-      RenderWidgetHostImpl* render_widget_host)
-      : BrowserMessageFilter(ViewMsgStart), text_input_state_changed_(false) {
-    if (!render_widget_host || !render_widget_host->GetProcess())
-      text_input_state_changed_ = true;
-    old_state = *render_widget_host->GetView()->text_input_state();
-    render_widget_host->GetProcess()->AddFilter(this);
-  }
-
-  void WaitUntilTextInputStateChanges() {
-    if (!text_input_state_changed_) {
-      message_loop_runner_ = new MessageLoopRunner;
-      message_loop_runner_->Run();
-    }
-  }
-
- private:
-  ~TextInputStateChangedMessageFilter() override {}
-
-  bool OnMessageReceived(const IPC::Message& msg) override {
-    IPC_BEGIN_MESSAGE_MAP(TextInputStateChangedMessageFilter, msg)
-      IPC_MESSAGE_HANDLER(ViewHostMsg_TextInputStateChanged,
-                          OnTextInputStateChangedMessageReceived)
-    IPC_END_MESSAGE_MAP()
-    return false;
-  }
-
-  void OnTextInputStateChangedMessageReceived(const TextInputState& new_state) {
-    if (new_state.type != old_state.type || new_state.mode != old_state.mode ||
-        new_state.value != old_state.value) {
-      text_input_state_changed_ = true;
-      if (message_loop_runner_)
-        BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
-                                message_loop_runner_->QuitClosure());
-    }
-  }
-
-  bool text_input_state_changed_;
-  scoped_refptr<MessageLoopRunner> message_loop_runner_;
-  TextInputState old_state;
-
-  DISALLOW_COPY_AND_ASSIGN(TextInputStateChangedMessageFilter);
-};
-
-// Verify that when moving the focus between different frames, the WebContents
-// properly keeps track of the text input state.
-// The test loads a page with one input field, two out of process frames, and a
-// second input field positioned after the last <iframe>. Then a sequence of TAB
-// inputs are faked to navigate focus in between the different <input> elements.
-// After each change, we check with the RWHV of the frame as well as the
-// WebContents to make sure the text input state is as expected.
-IN_PROC_BROWSER_TEST_F(SitePerProcessBrowserTest, TextInputStateChanged) {
-  GURL main_page_url(embedded_test_server()->GetURL(
-      "a.com", "/textinput/page_with_input_iframeX2_input.html"));
-  NavigateToURL(shell(), main_page_url);
-
-  WebContents* contents = shell()->web_contents();
-
-  FrameTreeNode* root = web_contents()->GetFrameTree()->root();
-
-  FrameTreeNode* child_b = root->child_at(0);
-  GURL child_b_url(embedded_test_server()->GetURL(
-      "b.com", "/textinput/page_with_input.html"));
-  NavigateFrameToURL(child_b, child_b_url);
-  EXPECT_TRUE(WaitForRenderFrameReady(child_b->current_frame_host()));
-
-  FrameTreeNode* child_c = root->child_at(1);
-  GURL child_c_url(embedded_test_server()->GetURL(
-      "c.com", "/textinput/page_with_input.html"));
-  NavigateFrameToURL(child_c, child_c_url);
-  EXPECT_TRUE(WaitForRenderFrameReady(child_c->current_frame_host()));
-
-  RenderWidgetHostImpl* root_rwh =
-      root->current_frame_host()->GetRenderWidgetHost();
-  RenderWidgetHostViewBase* root_rwhv = root_rwh->GetView();
-
-  RenderWidgetHostImpl* child_b_rwh =
-      child_b->current_frame_host()->GetRenderWidgetHost();
-  RenderWidgetHostViewBase* child_b_rwhv = child_b_rwh->GetView();
-
-  RenderWidgetHostImpl* child_c_rwh =
-      child_c->current_frame_host()->GetRenderWidgetHost();
-  RenderWidgetHostViewBase* child_c_rwhv = child_c_rwh->GetView();
-
-  // Change the text value in <input> field of either frame so that we can
-  // later track the changes.
-  EXPECT_TRUE(
-      ExecuteScript(child_b->current_frame_host(),
-                    "document.querySelector('input').value = 'second';"));
-  EXPECT_TRUE(
-      ExecuteScript(child_c->current_frame_host(),
-                    "document.querySelector('input').value = 'third';"));
-
-  // Verify the input type is none in the beginning.
-  EXPECT_EQ(ui::TEXT_INPUT_TYPE_NONE, root_rwhv->text_input_state()->type);
-
-  // A helper function to send a tab key to the frame and wait for a state
-  // changed message.
-  auto press_tab_and_wait_for_text_input_state_change =
-      [contents](RenderWidgetHostImpl* rwh) {
-        scoped_refptr<TextInputStateChangedMessageFilter> filter =
-            new TextInputStateChangedMessageFilter(rwh);
-        SimulateKeyPress(contents, ui::VKEY_TAB, false, false, false, false);
-        filter->WaitUntilTextInputStateChanges();
-      };
-
-  // Send focus to the first input field.
-  press_tab_and_wait_for_text_input_state_change(root_rwh);
-  EXPECT_EQ(ui::TEXT_INPUT_TYPE_TEXT, root_rwhv->text_input_state()->type);
-  EXPECT_EQ("first", root_rwhv->text_input_state()->value);
-
-  // Verify the top-level state is changed.
-  EXPECT_EQ("first", web_contents()->GetTextInputState()->value);
-
-  // Send focus to the input field in frame b.
-  press_tab_and_wait_for_text_input_state_change(child_b_rwh);
-  EXPECT_EQ(ui::TEXT_INPUT_TYPE_TEXT, child_b_rwhv->text_input_state()->type);
-  EXPECT_EQ("second", child_b_rwhv->text_input_state()->value);
-
-  EXPECT_EQ("second", web_contents()->GetTextInputState()->value);
-
-  // Send focus to the input field in frame c.
-  press_tab_and_wait_for_text_input_state_change(child_c_rwh);
-  EXPECT_EQ(ui::TEXT_INPUT_TYPE_TEXT, child_c_rwhv->text_input_state()->type);
-  EXPECT_EQ("third", child_c_rwhv->text_input_state()->value);
-
-  EXPECT_EQ("third", web_contents()->GetTextInputState()->value);
-
-  // Send focus to the last input field in top frame.
-  press_tab_and_wait_for_text_input_state_change(root_rwh);
-  EXPECT_EQ(ui::TEXT_INPUT_TYPE_TEXT, root_rwhv->text_input_state()->type);
-  EXPECT_EQ("fourth", root_rwhv->text_input_state()->value);
-
-  EXPECT_EQ("fourth", web_contents()->GetTextInputState()->value);
-}
-
-IN_PROC_BROWSER_TEST_F(SitePerProcessBrowserTest,
-                       TextInputStateChangesAfterRendererCrashes) {
-  GURL main_url(
-      embedded_test_server()->GetURL("a.com", "/page_with_iframe.html"));
-  NavigateToURL(shell(), main_url);
-  WebContentsImpl* contents = web_contents();
-
-  FrameTreeNode* root = contents->GetFrameTree()->root();
-
-  FrameTreeNode* child = root->child_at(0);
-  GURL child_url(embedded_test_server()->GetURL(
-      "b.com", "/textinput/page_with_input.html"));
-  NavigateFrameToURL(child, child_url);
-  EXPECT_TRUE(WaitForRenderFrameReady(child->current_frame_host()));
-
-  // Verify that the text input state is initially none.
-  EXPECT_EQ(ui::TEXT_INPUT_TYPE_NONE, contents->GetTextInputState()->type);
-
-  auto press_tab_and_wait_for_state_change =
-      [contents](RenderWidgetHostImpl* rwh) {
-        scoped_refptr<TextInputStateChangedMessageFilter> filter =
-            new TextInputStateChangedMessageFilter(rwh);
-        SimulateKeyPress(contents, ui::VKEY_TAB, false, false, false, false);
-        filter->WaitUntilTextInputStateChanges();
-      };
-
-  auto crash_renderer_and_wait_for_input_state_none = [contents](
-      RenderProcessHost* host) {
-    RenderProcessHostWatcher crash_observer(
-        host, RenderProcessHostWatcher::WATCH_FOR_PROCESS_EXIT);
-    host->Shutdown(0, false);
-    crash_observer.Wait();
-
-    // We need to wait until the actual text input state update occurs.
-    while (contents->GetTextInputState()->type != ui::TEXT_INPUT_TYPE_NONE) {
-      scoped_refptr<MessageLoopRunner> loop_runner_ = new MessageLoopRunner();
-      BrowserThread::PostDelayedTask(BrowserThread::UI, FROM_HERE,
-                                     loop_runner_->QuitClosure(),
-                                     base::TimeDelta::FromMilliseconds(0LL));
-      loop_runner_->Run();
-    }
-  };
-
-  // Press a tab key to focus the <input> and verify that the top level
-  // WebContents sees it.
-  RenderWidgetHostImpl* child_rwh =
-      child->current_frame_host()->GetRenderWidgetHost();
-  press_tab_and_wait_for_state_change(child_rwh);
-  EXPECT_EQ(ui::TEXT_INPUT_TYPE_TEXT, contents->GetTextInputState()->type);
-
-  // Crash the renderer and wait until WebContentsImpl has updates the
-  // state.
-  RenderProcessHost* child_process = child_rwh->GetProcess();
-  crash_renderer_and_wait_for_input_state_none(child_process);
-
-  // Now repeat the same test for the top level RWHV.
-  // First remove the <iframe> and append an <input>
-  EXPECT_TRUE(ExecuteScript(contents,
-                            "var f = document.querySelector('iframe'); "
-                            "f.parentNode.removeChild(f);"));
-  EXPECT_TRUE(ExecuteScript(
-      contents, "document.body.appendChild(document.createElement('input'));"));
-
-  // Press tab to focus the <input> and observe the state change.
-  RenderWidgetHostImpl* root_rwh =
-      root->current_frame_host()->GetRenderWidgetHost();
-  press_tab_and_wait_for_state_change(root_rwh);
-  EXPECT_EQ(ui::TEXT_INPUT_TYPE_TEXT, contents->GetTextInputState()->type);
-
-  // Crash the tab renderer and observer the input state going back to none.
-  RenderProcessHost* host_process = root_rwh->GetProcess();
-  crash_renderer_and_wait_for_input_state_none(host_process);
-}
-
 }  // namespace content