Revert of Do not generate a microdump if there are no webview pointers on the stack.

android_webview/lib/main/aw_main_delegate.cc

Index: android_webview/lib/main/aw_main_delegate.cc
diff --git a/android_webview/lib/main/aw_main_delegate.cc b/android_webview/lib/main/aw_main_delegate.cc
index 457e91b795be7282625e19c178444a465e8e236c..3c91dc748dbc69bab0fe1a56e7ea1f998f0b004f 100644
--- a/android_webview/lib/main/aw_main_delegate.cc
+++ b/android_webview/lib/main/aw_main_delegate.cc
@@ -46,21 +46,6 @@
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/events/gesture_detection/gesture_configuration.h"
 
-// These declarations just provide the addresses determined by the
-// linker to this source file in order to determine the extent of the
-// webview text section. The declared types are irrelevant - only the
-// symbol names and the addresses they reference are important.
-extern "C" {
-#if defined(ARCH_CPU_MIPSEL)
-// the mipsel linker script invoked as a result of chromium link args
-// doesn't define __executable_start.
-extern char _ftext;
-#else
-extern char __executable_start;
-#endif
-extern char __etext;
-}
-
 namespace android_webview {
 
 namespace {
@@ -224,15 +209,7 @@
     // crash handler on the same thread as the crash handler was initialized.
     crash_reporter::AddGpuFingerprintToMicrodumpCrashHandler(
         content_client_.gpu_fingerprint());
-#if !defined(COMPONENT_BUILD)
-    crash_reporter::SetWebViewTextAddrRange(
-#if defined(ARCH_CPU_MIPSEL)
-        reinterpret_cast<uintptr_t>(&_ftext),
-#else
-        reinterpret_cast<uintptr_t>(&__executable_start),
-#endif
-        reinterpret_cast<uintptr_t>(&__etext));
-#endif
+
     g_allow_wait_in_ui_thread.Get().reset(
         new ScopedAllowWaitForLegacyWebViewApi);