Prevent reported RenderViewImplTest LSan leaks.

content/renderer/render_view_browsertest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/location.h"
 #include "base/single_thread_task_runner.h"
 #include "base/strings/string_util.h"
@@ skipping 461 matching lines @@
   ExecuteJavaScriptForTests(
       "document.getElementById('elt_text').value = 'foo';");
   ProcessPendingMessages();
   if (SiteIsolationPolicy::UseSubframeNavigationEntries()) {
     EXPECT_TRUE(render_thread_->sink().GetUniqueMessageMatching(
         FrameHostMsg_UpdateState::ID));
   } else {
     EXPECT_TRUE(render_thread_->sink().GetUniqueMessageMatching(
         ViewHostMsg_UpdateState::ID));
   }
+  ProcessPendingMessages();
 }
 
 TEST_F(RenderViewImplTest, OnNavigationHttpPost) {
   // An http url will trigger a resource load so cannot be used here.
   CommonNavigationParams common_params;
   StartNavigationParams start_params;
   RequestNavigationParams request_params;
   common_params.url = GURL("data:text/html,<div>Page</div>");
   common_params.navigation_type = FrameMsg_Navigate_Type::NORMAL;
   common_params.transition = ui::PAGE_TRANSITION_TYPED;
@@ skipping 573 matching lines @@
       // Move the input focus to the target <input> element, where we should
       // activate IMEs.
       ExecuteJavaScriptAndReturnIntValue(base::ASCIIToUTF16(javascript), NULL);
       ProcessPendingMessages();
       render_thread_->sink().ClearMessages();
 
       // Update the IME status and verify if our IME backend sends an IPC
       // message to activate IMEs.
       view()->UpdateTextInputState(
           RenderWidget::NO_SHOW_IME, RenderWidget::FROM_NON_IME);
+      ProcessPendingMessages();
       const IPC::Message* msg = render_thread_->sink().GetMessageAt(0);
       EXPECT_TRUE(msg != NULL);
       EXPECT_EQ(ViewHostMsg_TextInputStateChanged::ID, msg->type());
       ViewHostMsg_TextInputStateChanged::Read(msg, &params);
       p = base::get<0>(params);
       type = p.type;
       input_mode = p.mode;
       EXPECT_EQ(test_case->expected_mode, input_mode);
     }
   }
@@ skipping 1397 matching lines @@
       FROM_HERE,
       base::Bind(&DevToolsAgentTest::CloseWhilePaused, base::Unretained(this)));
   ExecuteJavaScriptForTests("debugger;");
 
   // CloseWhilePaused should resume execution and continue here.
   EXPECT_FALSE(IsPaused());
   Detach();
 }
 
 }  // namespace content