Avoid sync IPCs for firstRectForCharacterRange/attributedSubstringForProposedRange.

content/browser/renderer_host/render_widget_host_view_mac_unittest.mm

 // 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 "content/browser/renderer_host/render_widget_host_view_mac.h"
 
 #include <Cocoa/Cocoa.h>
 
 #include "base/mac/mac_util.h"
 #include "base/mac/scoped_nsautorelease_pool.h"
@@ skipping 382 matching lines @@
   params.focus_rect = gfx::Rect(30, 11, 0, 10);
   rwhv_mac_->SelectionBoundsChanged(params);
   EXPECT_FALSE(rwhv_mac_->GetCachedFirstRectForCharacterRange(
         gfx::Range(0, 0).ToNSRange(),
         &rect,
         &actual_range));
   EXPECT_FALSE(rwhv_mac_->GetCachedFirstRectForCharacterRange(
         gfx::Range(0, 1).ToNSRange(),
         &rect,
         &actual_range));
-  EXPECT_FALSE(rwhv_mac_->GetCachedFirstRectForCharacterRange(
+  EXPECT_TRUE(rwhv_mac_->GetCachedFirstRectForCharacterRange(
         gfx::Range(1, 1).ToNSRange(),
         &rect,
         &actual_range));
-  EXPECT_FALSE(rwhv_mac_->GetCachedFirstRectForCharacterRange(
+  EXPECT_TRUE(rwhv_mac_->GetCachedFirstRectForCharacterRange(
         gfx::Range(1, 2).ToNSRange(),
         &rect,
         &actual_range));
-  EXPECT_FALSE(rwhv_mac_->GetCachedFirstRectForCharacterRange(
+  EXPECT_TRUE(rwhv_mac_->GetCachedFirstRectForCharacterRange(
         gfx::Range(2, 2).ToNSRange(),
         &rect,
         &actual_range));
 }
 
 TEST_F(RenderWidgetHostViewMacTest, UpdateCompositionSinglelineCase) {
   const gfx::Point kOrigin(10, 11);
   const gfx::Size kBoundsUnit(10, 20);
 
   NSRect rect;
@@ skipping 597 matching lines @@
     EXPECT_EQ(1U, process_host_->sink().message_count());
     process_host_->sink().ClearMessages();
   }
 
   // Clean up.
   host->Shutdown();
 }
 
 
 }  // namespace content