Request to start/stop calculating composition info from RenderWidget when it is active/inactive.

chrome/browser/renderer_host/site_per_process_text_input_browsertest.cc

Index: chrome/browser/renderer_host/site_per_process_text_input_browsertest.cc
diff --git a/chrome/browser/renderer_host/site_per_process_text_input_browsertest.cc b/chrome/browser/renderer_host/site_per_process_text_input_browsertest.cc
index 15a8ae0aef84bcff0e59feb29aa9eb535507e85d..38443d3030b2d0beae064231f95932e440830148 100644
--- a/chrome/browser/renderer_host/site_per_process_text_input_browsertest.cc
+++ b/chrome/browser/renderer_host/site_per_process_text_input_browsertest.cc
@@ -613,32 +613,30 @@ IN_PROC_BROWSER_TEST_F(SitePerProcessTextInputManagerTest,
 // updates its composition range.
 IN_PROC_BROWSER_TEST_F(SitePerProcessTextInputManagerTest,
                        TrackCompositionRangeForAllFrames) {
-  // TODO(ekaramd): After IME methods are implemented for WebFrameWidgetImpl,
-  // change the page so that it contains child frames as well
-  // (crbug.com/626746).
-  CreateIframePage("a()");
-  std::vector<content::RenderFrameHost*> frames{GetFrame(IndexVector{})};
+  CreateIframePage("a(b,c(a,b),d)");
+  std::vector<content::RenderFrameHost*> frames{
+      GetFrame(IndexVector{}),     GetFrame(IndexVector{0}),
+      GetFrame(IndexVector{1}),    GetFrame(IndexVector{1, 0}),
+      GetFrame(IndexVector{1, 1}), GetFrame(IndexVector{2})};
   std::vector<content::RenderWidgetHostView*> views;
   for (auto* frame : frames)
     views.push_back(frame->GetView());
   for (size_t i = 0; i < frames.size(); ++i)
-    AddInputFieldToFrame(frames[i], "text", "", true);
+    AddInputFieldToFrame(frames[i], "text", "text", true);
 
   content::WebContents* web_contents = active_contents();
 
-  auto send_tab_set_composition_wait_for_bounds_change =
-      [&web_contents](content::RenderWidgetHostView* view) {
-        ViewTextInputTypeObserver type_observer(web_contents, view,
-                                                ui::TEXT_INPUT_TYPE_TEXT);
-        SimulateKeyPress(web_contents, ui::DomKey::TAB, ui::DomCode::TAB,
-                         ui::VKEY_TAB, false, false, false, false);
-        type_observer.Wait();
-        ViewCompositionRangeChangedObserver range_observer(web_contents, view);
-        content::SetCompositionForRenderWidgetHost(
-            view->GetRenderWidgetHost(), base::ASCIIToUTF16("text"),
-            {ui::CompositionUnderline()}, gfx::Range::InvalidRange(), 0, 0);
-        range_observer.Wait();
-      };
+  auto send_tab_set_composition_wait_for_bounds_change = [&web_contents](
+      content::RenderWidgetHostView* view) {
+    ViewTextInputTypeObserver type_observer(web_contents, view,
+                                            ui::TEXT_INPUT_TYPE_TEXT);
+    SimulateKeyPress(web_contents, ui::DomKey::TAB, ui::DomCode::TAB,
+                     ui::VKEY_TAB, false, false, false, false);
+    type_observer.Wait();
+    ViewCompositionRangeChangedObserver range_observer(web_contents, view);
+    EXPECT_TRUE(content::RequestCompositionInfoFromActiveWidget(web_contents));
+    range_observer.Wait();
+  };
 
   for (auto* view : views)
     send_tab_set_composition_wait_for_bounds_change(view);