Convert renderer JS memory usage reporting to use Mojo.

chrome/common/render_messages.h

 // 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.
 
 // Multiply-included file, no traditional include guard.
 #include <stdint.h>
 #include <map>
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 220 matching lines @@
 // Asks the renderer to send back stats on the WebCore cache broken down by
 // resource types.
 IPC_MESSAGE_CONTROL0(ChromeViewMsg_GetCacheResourceStats)
 
 // Tells the renderer to create a FieldTrial, and by using a 100% probability
 // for the FieldTrial, forces the FieldTrial to have assigned group name.
 IPC_MESSAGE_CONTROL2(ChromeViewMsg_SetFieldTrialGroup,
                      std::string /* field trial name */,
                      std::string /* group name that was assigned. */)
 
-// Asks the renderer to send back V8 heap stats.
-IPC_MESSAGE_CONTROL0(ChromeViewMsg_GetV8HeapStats)
-
 IPC_MESSAGE_ROUTED1(ChromeViewMsg_SetPageSequenceNumber,
                     int /* page_seq_no */)
 
 IPC_MESSAGE_ROUTED0(ChromeViewMsg_DetermineIfPageSupportsInstant)
 
 IPC_MESSAGE_ROUTED1(ChromeViewMsg_SearchBoxSetDisplayInstantResults,
                     bool /* display_instant_results */)
 
 IPC_MESSAGE_ROUTED2(ChromeViewMsg_SearchBoxFocusChanged,
                     OmniboxFocusState /* new_focus_state */,
@@ skipping 206 matching lines @@
                     GURL /* osdd_url */,
                     search_provider::OSDDType)
 
 // Find out if the given url's security origin is installed as a search
 // provider.
 IPC_SYNC_MESSAGE_ROUTED2_1(ChromeViewHostMsg_GetSearchProviderInstallState,
                            GURL /* page url */,
                            GURL /* inquiry url */,
                            search_provider::InstallState /* install */)
 
-// Sends back stats about the V8 heap.
-IPC_MESSAGE_CONTROL2(ChromeViewHostMsg_V8HeapStats,
-                     int /* size of heap (allocated from the OS) */,
-                     int /* bytes in use */)
-
 // Notifies when a plugin couldn't be loaded because it's outdated.
 IPC_MESSAGE_ROUTED2(ChromeViewHostMsg_BlockedOutdatedPlugin,
                     int /* placeholder ID */,
                     std::string /* plugin group identifier */)
 
 // Notifies when a plugin couldn't be loaded because it requires
 // user authorization.
 IPC_MESSAGE_ROUTED2(ChromeViewHostMsg_BlockedUnauthorizedPlugin,
                     base::string16 /* name */,
                     std::string /* plugin group identifier */)
@@ skipping 117 matching lines @@
 
 // Record a sample string to a Rappor metric.
 IPC_MESSAGE_CONTROL2(ChromeViewHostMsg_RecordRappor,
                      std::string /* metric */,
                      std::string /* sample */)
 
 // Record a domain and registry of a url to a Rappor metric.
 IPC_MESSAGE_CONTROL2(ChromeViewHostMsg_RecordRapporURL,
                      std::string /* metric */,
                      GURL /* sample url */)